Which of the following is an assumption underlying standard CVP analysis? Multiple Choice The price of a product or service is expected to change as volume changes. 0 Fixed expenses will change as volume increases. In multiproduct companies, the sales mix is constant. C In manufacturing companies, inventories always change. If sales volume increases and all other factors remain constant, then the: Multiple Choice net operating income will decrease. O margin of safety will increase. contribution margin ratio will increase. hreak-even point will decrease A $2.00 increase in a product's variable expense per unit accompanied by a $2.00 increase in its selling price per unit will: Multiple Choice decrease the contribution margin. O have no effect on the break-even volume. decrease the degree of operating leverage. have no effect on the contribution margin ratio