D Question 15 4 pts Operating leverage is the relative mix of fixed versus variable costs in the process used to produce a product or service. Which of the following statements is true? An increase in the variable cost per unit creates an increase in the contribution margin (which is the selling price minus the variable costs Operating leverage is generally identical for each investment rather than unique for all the firm's investments Operating leverage affects the total risk of the capital budgeting project, but does not affect the project's cost of capital, Lowering the variable cost per unit by increasing fixed costs increases the operating leverage