Write the formula to find the present value of $x to be paid in n years

If the Fed were to increase the required reserve rate from ten percent to twenty percent, the simple deposit expansion multiplier would:

A. increase by 10 percent. B. decrease by a factor of ten. C. double. D. be half as large as it was before the increase.

This table represents the revenues faced by a monopolist.PriceQuantity SoldTotal RevenueAverage RevenueMarginal Revenue$1,0001$1,000  $9002$1,800  $8003$2,400  $7004$2,800  $6005$3,000  $5006$3,000  $4007$2,800  Using the information in the table shown, if you were to graph the first two columns, you would have graphed which curve?

A. Marginal revenue B. Total productivity C. Market demand D. Market supply