Unit Economics: Does Each Sale Make Money? · seed 1 · A4, ink-friendly. The answer key prints on its own page for grown-ups.

Check each sale earns its keep

Life Skills · Entrepreneurship · ages 16-18
Name ______________________   Date ____________

  1. What is the contribution from one sale?

    • Rent divided by the number of staff
    • Price minus the per-sale variable costs
    • Price plus all the fixed costs

  2. Which costs count against a single sale?

    • Only the costs that move with the sale
    • Every cost including yearly rent
    • No costs at all

  3. Mixing up fixed and variable costs wrecks every later calculation.

    Circle one:   True   False

  4. Fixed costs are 1200 and each sale contributes 12. How many sales break even?

    • 1212 sales
    • 100 sales
    • 12 sales

  5. Why must acquisition cost be counted per customer?

    • Monthly totals are illegal in accounting
    • Customers prefer paying it monthly
    • It is spent once to win the buyer, earned back over orders

  6. What does faster growth do with negative unit economics?

    • It multiplies the loss with every sale
    • It fixes the loss automatically
    • It leaves profit unchanged

  7. Why test prices against real buyers instead of guessing value?

    • Guesses about value are usually wrong
    • Buyers always accept any price
    • Testing prices is illegal

  8. The needed break-even volume looks unreachable. What should the founder change?

    • A bigger office and more staff
    • Faster growth at the same loss
    • Cheaper variable costs or a higher price
LightMySky · lightmysky.comW1-mt_NUoV6LB-o4-s1

Answer key

For grown-ups. Fold this page away before handing over the rest.

Check each sale earns its keep W1-mt_NUoV6LB-o4-s1

  1. Price minus the per-sale variable costs · If this number is negative, every sale loses money.
  2. Only the costs that move with the sale · Materials and delivery grow per sale; rent sits still.
  3. True · Sorting costs first is where unit economics starts.
  4. 100 sales · Divide fixed costs by contribution per unit.
  5. It is spent once to win the buyer, earned back over orders · Dividing it by months hides what each new buyer truly costs.
  6. It multiplies the loss with every sale · Scale only multiplies whatever one sale already does.
  7. Guesses about value are usually wrong · Price positions the product and rations demand in ways theory misses.
  8. Cheaper variable costs or a higher price · The single number tells how much volume the idea needs to survive.
Worksheet · LightMySky