Agfi wants to understand how cost varies. She found that when 10,000 units are produced, fixed costs are $14 per unit. Therefore, when 20,000 units are produced fixed costs per unit will be

a.

will increase to $28 per unit.

b.

will remain at $14 per unit.

c.

will decrease to $7 per unit.

d.

will total $280,000.

e.

Some other amount.