In the CVP analysis, Which of the following statements about the breakeven point is true? O a operating income for a company is equal to zero O b. total contribution margin minus total fixed costs is equal to profits earned Octotal sales revenues equal total fixed costs minus variable costs O d. None of the given answers O e breakeven sales revenues equal total fixed costs divided by the variable cost per unit The contribution margin ratio is calculated as: O a. (the selling price per unit/the selling price per unit) - variable cost ratio O b. The selling price per unit / variable cost per unit Oc. None of the given answers Od. The selling price per unit ratio/variable cost per unit ratio Oe. Selling price per unit - the variable cost per unit