I just need the last two I cant figure out how to do them please help!

Cove's Cakes is a local bakery. Price and cost information follows 42190 Required: 1. Calculate Cove's new break-even point under each of the following independent scenarios: (Round your answer to the nearest whole number.) a. Sales price increases by $1.60 per cake. b. Fixed costs increase by $545 per month. C. Variable costs decrease by $0.33 per cake. d. Sales price decreases by $0.70 per cake 2. Assume that Cove sold 460 cakes last month. Calculate the company's degree of operating leverage. (Do not round intermediate calculations. Round your answer to 4 decimal places.) 3. Using the degree of operating leverage calculated in Requirement 2, calculate the change in profit caused by a 8 percent increase in sales revenue. (Round your final answer to 2 decimal places (i.e. .1234 should be entered as 12.34%.)) Cove's Cakes is a local bakery. Price and cost information follows 42190 Required: 1. Calculate Cove's new break-even point under each of the following independent scenarios: (Round your answer to the nearest whole number.) a. Sales price increases by $1.60 per cake. b. Fixed costs increase by $545 per month. C. Variable costs decrease by $0.33 per cake. d. Sales price decreases by $0.70 per cake 2. Assume that Cove sold 460 cakes last month. Calculate the company's degree of operating leverage. (Do not round intermediate calculations. Round your answer to 4 decimal places.) 3. Using the degree of operating leverage calculated in Requirement 2, calculate the change in profit caused by a 8 percent increase in sales revenue. (Round your final answer to 2 decimal places (i.e. .1234 should be entered as 12.34%.))