一道英文的经济题

题目

一道英文的经济题
(1) What means by Quantitative Analysis and how to conduct the quantitative analysis?(2 points)
(2) Concerning a break-even problem,suppose the fixed cost is $4000,the price per unit is $40,variable cost per unit is $20,what is the break-even number point of units and the break-even dollars point of the production?(2 points)

答案

固定成本$4000,变动成本$20/个,销售价格$40/个,设定盈亏点数量为X,则
4000+20*X=40*X
解 X=200,故the break-even number point of units is 200.
200*40=8000,the break-even dollars point of the production is $8000