Alicia Gregory owns a foot massage business. She leases 4 computer controlled massage booths, for which she pays $125 per day. She cannot increase the number machines she leases without giving the manufacturer 3 months' notice. She can hire as many workers as she wants at a cost of $75 per day per worker. These are the only two inputs she uses in her business. Use this information to fill in the columns

Quantity of workers Quantity

of foot

massages

per day

0

1

2

3

4

5

Fixed cost Variable cost

Total cost Average total cost

Marginal cost