A firm's production function is the relationship between: A) the inputs employed by the firm and the resulting costs of production. B) the factors of production and the resulting outputs of the production process. C) the demand for a firm's output and the quantity it is able to produce with available resources. D) the firm's production costs and the amount of revenue it receives from the sale of its output.

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