In perfect competition, a firm maximizes its economic profit if it produces the output at which a. economic profit equals zero in the short run b. market price equals marginal revenue c. marginal cost equals market price d. total revenue equals total cost

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

The green revolution is a scientific breakthrough that improved seeds for basic crops. how did the green revolution impact the supply of basic crops such as wheat and corn? the supply of wheat and corn increased. there was no impact on the supply of basic crops. the supply of basic crops did not change, but the quantity supplied of basic crops increased. the supply of wheat and corn decreased.

Your uncle borrows $53,000 from the bank at 11 percent interest over the nine-year life of the loan. use appendix d for an approximate answer but calculate your final answer using the formula and financial calculator methods. what equal annual payments must be made to discharge the loan, plus pay the bank its required rate of interest