Frontier Corp. has a contribution margin of $2,312,000 and profit of $462,400. What is its degree of operating leverage? Multiple Choice 020 5.80 14.50 5.00 Frontier Corp. has a contribution margin of $578,000 and profit of $115,600. If sales increase 20%, by how much will profits increase? Multiple Choice O 20.00% 50.00% 100.00% 150.00% Graham Corp, sells two products. Product A sells for $200 per unit, and has unit variable costs of $150. Product B sells for $50 per unit, and has unit variable costs of $20. Currently, Graham sells three units of Product B for every two units of Product A sold. Graham has fixed costs of $760,000. How many units would Graham have to sell to earn a profit of $57,000? Multiple Choice 21,500 units of A and 21.500 units of B 12.900 units of A and 8,600 units of B 8.600 units of A and 12,900 units of 10.750 units of A and 10.750 units of