Instructions Identify the costs above as variable, fixed, or mixed. E22-4 Vic Taley wants Taley Company to use CVP analysis to study the effects of changes in costs and volume on the company. Taley has heard that certain assumptions must be valid in order for CVP analysis to be useful. Instructions Prepare a memo to Vic Taley concerning the assumptions that underlie CVP analysis. Explain assumptions underlying CVP analysis. (504) 1