【单选题】Refer to Exhibit 11-5. Which of the following is false? Units of Output Variable Cost (dollars) Total Cost (dollars) 0 0 80 1 60 140 2 100 180 3 120 200 4 160 240 5 210 290 6 300 380
A.
The third unit has the lowest marginal cost.
B.
The sixth unit has the highest marginal cost.
C.
Average variable cost falls for all 6 units of output.