题目内容

lf a firm increases its price, which TWO of the following is true, if price elasticity of demand is unitary?

A. Total costs will fall
B. Total profit will fall
C. The number of units sold will remain the same
D. Total revenue will stay the same.

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在选用了刀具半径补偿的条件下,进行整圆切削应釆取()。

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