In the late 1960s, Congress created a number of agencies designed to address a struggling secondary market for residential mortgages.
Which of the following organizations was developed primarily to guarantee mortgage-backed securities based on pools of FHA, VA, and Rural Housing Service loans, rather than issue, buy, or sell mortgages?

A. Federal National Mortgage Association (Fannie Mae)
B. Government National Mortgage Association (Ginnie Mae)
C. Federal Home Loan Mortgage Corporation (Freddie Mac)
D. Federal Agricultural Mortgage Corporation (Farmer Mac)

Assume that a local bank sells two services, checking accounts and atm card services. the bank’s only two customers are mr. donethat and ms. beenthere. mr. donethat is willing to pay $8 a month for the bank to service his checking account and $2 a month for unlimited use of his atm card. ms. beenthere is willing to pay only $5 for a checking account, but is willing to pay $9 for unlimited use of her atm card. assume that the bank can provide each of these services at zero marginal cost. refer to scenario 17-5. if the bank is unable to use tying, what is the profit-maximizing price to charge for a checking account