3.4 Business Expenses

Startup costs and the expenses of operating a business.

What startup costs are, in two halves

Startup costs cover two things at once: the expenditures paid a single time to launch a new business or product, and the early operating expenses a founder carries while the place is still being set up. That double definition is deliberate, and the two halves behave very differently once the doors open, so treating them as one category will misread the whole topic.

One-time expenditures happen a single time and then stop. The framework names legal work, incorporating, licensing, and sometimes the purchase of equipment. A drink shop's paperwork might come to $700, made of a $150 filing fee, a $200 business license, and a $350 health permit, and none of those three lines ever bills again. Equipment is the one-time expenditure that dwarfs the rest, and it is usually the line that forces a founder to go looking for outside money.

Initial expenses become recurring costs

The other half looks temporary and is not. Initial expenses are the operating bills that begin before the doors open, and the framework's list covers occupancy, research and development, marketing, insurance, and whatever it takes to make or buy the very first inventory. At small scale that might mean a $2,500 lease deposit, $1,800 of opening stock, and $1,000 of signage and launch promotion.

Here is the point the exam cares about: every category on that list became an ongoing expense the day the business began operating. The deposit turned into monthly rent, the first inventory became a weekly reorder, and opening marketing became a marketing budget. The word initial names when an expense starts. It is never a promise that the expense ends, which is why recurring costs are the real subject of the second half of this topic.

The first axis: direct or indirect

As soon as a business is operating, each of its recurring costs picks up two labels, assigned along two independent axes. The first axis asks whether a cost attaches to a specific unit of output. Direct costs are tied to the production or delivery of specific goods or services, so the tea, milk, tapioca, syrup, cup, lid, and sealing film in one drink are all direct: each exists because that drink got made.

Indirect costs pay for running the business around the product. Volume is irrelevant to rent, and equally irrelevant to the insurance premium, to the advertising budget, and to the power bill. One question decides every case: does this cost attach to an identifiable unit of output? If it does, call it direct. If it does not, call it indirect.

The second axis: fixed or variable

The second axis poses a different test: does this cost move when output moves? Fixed expenses hold steady regardless of production or service levels, so rent is $2,500 in a slow month of 1,800 units and $2,500 again in a peak month of 4,200. Variable expenses climb as production climbs, so ingredients and packaging at $1.50 per unit cost $4,500 across 3,000 units and $6,300 across 4,200.

CostDirect or indirectFixed or variableWhy
TapiocaDirectVariableExists because a specific drink was made, and doubles when the drinks double
RentIndirectFixedTraces to no unit and ignores volume entirely
Sealing filmDirectVariableEvery cup takes exactly one seal
Insurance premiumIndirectFixedTraces to no unit and bills the same in every month
The two axes are independent, so every cost carries two labels

Because the axes are independent, direct does not mean variable and indirect does not mean fixed. A household sorts its own budget the same way. A phone plan holds steady; fuel spending rises with the miles driven. Knowing which line is which is how a business and a household alike forecast a busy month before it arrives.

COGS and cost of sales

When a business produces goods, its direct costs carry a specific name on every statement: the cost of goods sold, usually shortened to COGS. Four parts make up the standard list: the raw materials themselves, the supplies consumed while producing, pay and benefits for the people doing the producing, and what it takes to run the plant they work in. Take a backpack factory. Fabric and zippers are the materials. Needles and machine oil are the supplies. The sewing line's pay is the production labor. Rent and electricity on the factory floor are the facility.

One nuance matters and is frequently tested: components inside COGS can themselves be fixed or variable. The factory's rent holds steady no matter how many backpacks leave the loading dock, and the fabric bill grows with each one. The two axes stay independent even inside a category built from direct costs.

Service businesses use a different word for the same idea. Their direct costs are called cost of sales, made up of the labor that delivers the service, the travel needed to reach the customer, and any materials consumed along the way. At a catered event that is the hours worked on site, the drive across town, and the supplies loaded into the van. Tutoring has an identical structure with nothing physical in it: an hour of the tutor's pay is the labor, and the miles to a student's house are the travel.

Operating expenses: the indirect side

Recurring indirect costs are called operating expenses, they are typically fixed, and the framework's list covers occupancy, pay and benefits for office and sales staff, advertising and marketing, supplies, utilities, maintenance, and insurance. A small shop's monthly card might show $2,500 of rent, $6,200 in staff wages, $400 of utilities, $300 of marketing, a $250 insurance premium, and $250 of supplies and miscellaneous, adding to $9,900.

That total barely moves whether the month sells 1,800 units or 4,200. Overhead is nearly identical in the worst month and the best one, which is exactly why a slow stretch hurts so much, and why the shape of a business's year deserves a statement of its own.

Insurance and the risk dial

Insurance is the operating expense whose purpose is protection: it absorbs financial losses arising from accidents, from injuries, and from damage to property. It divides cleanly into coverage that is required and coverage that is chosen. Some coverage the law requires: workers' compensation insurance stops being a choice the day a business hires its first employee, because workers injured on the job must be covered.

Most other coverage is a judgment call. A liability policy at $250 a month may be bought because one customer injury could cost more than the entire equipment list, while a separate policy on the machines themselves may be declined, the owner choosing to carry that risk in exchange for the premium. Another owner reads the identical quote and signs it. That difference is risk tolerance, and consumers turn the same dial when they weigh renter's insurance or collision coverage on an old car.

Essential knowledge covered on this page

Learning objectiveEssential knowledgeSection
3.4.A Determining startup costs3.4.A.1, 3.4.A.2, 3.4.A.3What startup costs are, Initial expenses become recurring costs
3.4.B Expenses of operating a business3.4.B.1, 3.4.B.2, 3.4.B.3, 3.4.B.4, 3.4.B.5, 3.4.B.6Direct or indirect, Fixed or variable, COGS and cost of sales, Operating expenses, Insurance and the risk dial
CED essential knowledge for Topic 3.4

Worked examples

Totalling the startup cost of a new shop

Add one-time expenditures and initial expenses into a single startup figure.

A founder opening a drink shop holds a folder of quotes. Sort them into one-time expenditures and initial expenses, then total the launch.

One-time fees
$150 + $200 + $350
Equipment
$15,000
Lease deposit
$2,500
Opening inventory
$1,800
Opening marketing
$1,000
  1. 1. Sum the one-time fees

    The three paperwork lines add up first. $150 plus $200 plus $350 is $700.

  2. 2. Add the equipment package

    Equipment is the other one-time expenditure. $700 plus $15,000 is $15,700.

  3. 3. Add the initial expenses

    The deposit, the first inventory, and the opening marketing come to $2,500 plus $1,800 plus $1,000, which is $5,300.

  4. 4. Total the launch

    Combine the two halves. $15,700 plus $5,300 is $21,000.

Answer
$21,000. Launching this shop costs $21,000 before a single unit is sold, split into $15,700 that is genuinely one-time and $5,300 that starts a recurring bill.

Why it matters
The total matters less than the split. Every dollar in the second group came back the next month as rent, as a reorder, and as a marketing budget, which is why a founder who plans only for the total runs out of money in month two.

Adding up a month of operating expenses

Total the recurring indirect costs of running a business for one month.

The same shop, three years in, carries six operating lines every month. Total them, then check what happens to that total when volume changes.

Rent
$2,500
Staff wages
$6,200
Utilities
$400
Marketing
$300
Insurance
$250
Supplies and miscellaneous
$250
  1. 1. Add the six lines

    Work down the column. $2,500 plus $6,200 is $8,700; plus $400 is $9,100; plus $300 is $9,400; plus $250 is $9,650; plus $250 is $9,900.

  2. 2. Test the total against a slow month

    Sales of 1,800 units do not change rent, insurance, or the marketing budget, so the same $9,900 has to be paid.

  3. 3. Test it against a peak month

    Sales of 4,200 units barely move it either, apart from extra shifts inside the wage line, so the total holds near $9,900.

Answer
$9,900 a month. Six operating lines total $9,900, and that figure is nearly the same in the worst month of the year and the best one.

Why it matters
Fixed overhead is why a slow month hurts out of proportion to the sales it lost. The revenue fell by more than half between the peak and the trough; the overhead did not move.

Scaling a variable cost across three months

Compute a variable cost at three volumes and contrast it with a fixed cost over the same range.

Ingredients and packaging cost $1.50 per unit. Rent is $2,500 a month. Compute both costs for a trough month of 1,800 units, a typical month of 3,000, and a peak month of 4,200.

Variable cost per unit
$1.50
Monthly rent
$2,500
Trough volume
1,800 units
Typical volume
3,000 units
Peak volume
4,200 units
  1. 1. Compute the variable cost at each volume

    Multiply the per-unit cost by each volume. 1,800 times $1.50 is $2,700. 3,000 times $1.50 is $4,500. 4,200 times $1.50 is $6,300.

    C_v = 1.50 \times Q

  2. 2. Note what rent does across the same three months

    Rent is charged at $2,500 in all three, because it is fixed with respect to output.

  3. 3. Measure how far each cost moved

    The variable cost rose from $2,700 to $6,300, which is a $3,600 swing. Rent moved by $0.

Answer
$2,700, $4,500, and $6,300 of variable cost against $2,500 of rent every month. The variable cost more than doubles across the range while the fixed cost does not move at all.

Why it matters
This is the whole reason the fixed and variable labels exist. Forecasting next month means projecting only the lines that respond to volume, and carrying the rest across unchanged.

Key terms

6 common mistakes on 3.4

The wrong moves students actually make on these questions, why each one is wrong, and what to do instead. Part of the practice tier.

See what is included

Essential knowledge covered

3.4.A.1 · 3.4.A.2 · 3.4.A.3 · 3.4.B.1 · 3.4.B.2 · 3.4.B.3 · 3.4.B.4 · 3.4.B.5 · 3.4.B.6