a. CVP analysis assumes that per unit constant contribution margin is constant

b. We can use CVP analysis only when we are operating within the relevant range.

c. The five components of CVP analysis are: volume of activity, unit selling price, variable cost per unit, fixed cost per unit and contribution margin per unit.

d. The high-low method is highly inaccurate when either the high point or low point is an outlier.

e. none of the above