a. Calculate the total fixed costs, total variable costs, average fixed costs, average variable costs, average total costs, and marginal costs.
Total Output Cost TFC TVC AFC AVC ATC MC
0 $20
10 $40
20 $60
30 $90
40 $120
50 $180
60 $280
b. Plot each of the cost curves.
c. At what quantity of output does marginal cost equal average total cost and average variable cost?