6.

a. Construct the cost schedule using the data below for a firm operating in the short run:

Total Output (Q)
Total Fixed Cost (TFC)
Total Variable Cost (TVC)
Total Cost (TC)
Marginal Cost (MC)
Average Fixed Cost (AFC)
Average Variable Cost (AVC)
Average Total Cost (ATC)
0 $ 50 $ $ 50 $ $ $
$
1 $ 70 2 $ 85 3 $ 95 4 $100 5 $110 6 $130 7 $165 8 $215 9 $275

b. Graph the average variable cost, average total cost, and marginal cost curves.