The discount rate is:
a. the interest rate banks charge other banks for loans.
c. the percentage amount that the federal reserve discounts when it buys government securities.
b. the interest rate the federal reserve charges for loans to commercial banks.
d. a tool of fiscal policy.

Within the relevant range, if there is a change in the level of the cost driver, then a. total fixed costs will remain the same and total variable costs will change b. total fixed costs will change and total variable costs will remain the same c. total fixed costs and total variable costs will change d. total fixed costs and total variable costs will remain the same