Fiona consumes pizzas and soda with her weekly income of $50 . Suppose pizzas cost $10 and sodas cost $2 . If the price of pizzas rises to $12, then her opportunity cost of consuming a pizza will increase to:
a. 5 sodas

The required reserve ratio is the minimum percentage of ________ that banks are required to hold by regulation

A) reserves as total assets B) deposits as total assets C) reserves as deposits D) deposits as reserves E) reserves as total liabilities

Consider a market consisting of two firms where the inverse demand curve is given by P = 500 ? 2(Q1 + Q2). If the Stackelberg leader's and follower's marginal costs are zero, the leader's marginal revenue is:

A. MR(QL, QF) = 125 ? QL + 0.5QF. B. MR(QF) = 250 ? 2QF. C. MR(QL) = 250 ? 2QL. D. MR(QL, QF) = 125 ? 0.5QL + QF.