Which statement best explains federal grants that cover the cost an education? A. They require the use of savings.
B. They need to be repaid with interest.
C. They are based mostly on financial need.
D. They require borrowing money from a bank.

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