Suppose that for a particular firm the only variable input i…

Suppose that for a particular firm the only variable input into the production process is labor and that output equals zero when no workers are hired. In addition, suppose that marginal cost of the third worker hired is $40, and the average total cost when three workers are hired is $50. What is the total cost of production when three workers are hired?   1.  $50   2.  $90   3.  $120   4.   $150

In the wine industry 1. the price of a cheap wine and expens…

In the wine industry 1. the price of a cheap wine and expensive wine are not that different 2. even experts have a difficult time telling the difference between cheap and expensive wine 3. it is very easy to tell different types apart 4. there are only a few wines that control the market