I need % amounts and check if these are correct, please help

Problem 6-22 (Algo) CVP Applications; Contribution Margin Ratio; Break-Even Analysis; Cost Structure [LO6-1, LO6-3, LO6-4, L06-5, LO6-6] Due to erratic sales of its sole product-a high-capacity battery for laptop computers-PEM, Incorporated, has been experiencing financial difficulty for some time. The company's contribution format income statement for the most recent month is given below: Refer to the original data. By automating, the company could reduce variable expenses by $3 per unit. However, fixed expenses would increase by $58,000 each month. Assume that the company expects to sell 20,100 units next month. Prepare two data on a per unit and percentage basis, as well as in total, for each alternative.) (Do not round your intermediate calculations. Round your percentage answers to the nearest whole number.)