Indicate which one of the following statements is false; a If the variable expense per unit increases, and all other factors remain the same, the contribution margin ratio will increase. O b. The higher the contribution margin ratio, the smaller the breakeven sales ($) value. Oc For a given level of sales, a low contribution margin ratio will produce less net operating income than a high contribution margin ratio Od. The dollar value of sales needed to breakeven is higher for companies with a lower contribution margin. Oe. A higher variable cost ratio means a lower contribution margin ratio