单选题 Thompson Industries has the following short-run cost structure per level of production output:
Output Units (Q) Total Costs (TC) Fixed Costs (FC)
30000 $ 240000 $12000
50000 $ 360000 $12000
70000 $ 480000 $12000
90000 $ 570000 $12000
Based on the above and assuming a sales price of $10 per unit, what is the marginal cost per unit if the Company's output is increased from 50000 units to 70000 units?
  • A. $6.86
  • B. $6.00
  • C. $4.60
【正确答案】 B
【答案解析】[*]