Q30 Serfass Corporation's contribution format income statement for July appears below: $260,000 176.000 84,000 70,000 S14,000 Sales Variable expenses... Contribution margin Fixed expenses Net operating income The degree of operating leverage is closest to: A. 0.05 B. 0.15 C. 21.3 D. 6 Q31. Vargo makes camcorders and TVs. Machine capacity is limited to certain amount of hours per month. Table 1 is given. Which of the following statement is correct? Camcorders TVs Contribution margin per unit Machine hours required per unit $200 $500 .2 625 A. Contribution margin per unit of limited resource for Camcorders is $40. B. Contribution margin per unit of limited resource for Camcorders is $312.5. C. To earn more profit, management should produce more camcorders if demand exists D. To earn more profit, management should produce more TVs if demand exists