5 5/E1 Managerial Accounting With regard to the CVP graph, which of the following statements is not correct? O a. The CVP graph assumes that fixed expenses are constant in total within the relevant range. O b. The CVP graph assumes that selling prices do not change. O c. The CVP graph assumes that variable costs go down as volume goes up. Od. The CVP graph assumes that volume is the only factor affecting total cost