一道題，求高手解答！

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+2 論壇幣

The market demand curve is P = 100 – 4Q. A single firm (a monopoly) supplies the entire market. Its
marginal cost curve is MC = 40 + 2Q, and its fixed costs are zero. The monopoly sets prices and quantity to
maximize its profits.
What is the monopoly quantity?
A. 2
B. 4
C. 5
D. 8
E. 10
What is the monopoly price?
A. 48
B. 52
C. 56
D. 96
E. 100
What is the price elasticity of demand at the monopoly quantity and price?
A. –2.125
B. –2.273
C. –2.750
D. –3
E. –5
What is the consumers’ surplus in this market?
A. 16
B. 32
C. 64
D. 100
E. 128
What is the producers’ surplus in this market?
A. 40
B. 80
C. 160
D. 320
E. 400
What is the dead weight loss from the monopoly?
A. 8.333
B. 10.667
C. 21.333
D. 33.333
E. 85.333
做出來(lái)的答案不對(duì)，是不是題目出錯(cuò)了，求高手解答�。�！在線等！��！

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關(guān)鍵詞：求高手解答 求高手 elasticity Consumers Producers quantity supplies monopoly demand entire

為毛我第一問做出來(lái)都沒有答案��！是我太菜