A monopolist achieves the most profitable rate of output by applying which of the following rules? a. Average variable cost equals price.
b. Average total cost equals price.
c. Marginal revenue equals marginal cost.
d. Average total cost and average variable cost are both at a minimum.

Gulliver travel agencies thinks interest rates in europe are low. the firm borrows euros at 5 percent for one year. during this time period the dollar falls 11 percent against the euro. what is the effective interest rate on the loan for one year? (consider the 11 percent fall in the value of the dollar as well as the interest payment.)