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30. Which of the statement is correct? a. Operating leverage predicts the effects fixed costs have on operating income when sales volume changes. b. The degree of operating leverage for Pink's Closet is 2 . The actual operating income is $14,000. If the company expects a 25%6 increase in sales, operating income should increase by $3,500. c. Pasquales Pizzeria sells pizzas in two different sizes-medium and large. The number of medium pizzas sold is twice the number of large pizzas sold. The contribution margin of a medium pizza is 510 , and the contribution margin of a large pizza is 522 . The weighted average contribution margin is $16.00. d. Caribbean chicken sells two products, X and Y, For the coming year. Caribbean Chicken predicts sales of 5,000 units of X and 10,000 units of Y. The contribution margins per unit of products X and Y are 55 and S4, respectively. The weighted average contribution margin is $6.50 per unit