help with variable cost

Pro forma income statement The marketing department of Metrotine Manufactunng estriates that its sales in 2020 will be $164 million interest expense is expected to reman unchanged at $36,000, and the firm plans to pay $66,000 in cash dividends during 2020 Metroline Manufacturing's incorne staternent for the year ended December 31. 2019 , is given alony with a breakdown of the firm's cost of goods sold and opetating expenses into their freed and vartable components a. Use the percent-or-sales method to prepare a pro forma income statement for the year ended December 31,2020 b. Use foxed and vanable cost data to develop a pro forma income statement for the year ended December 31,2020 c. Compare and contrast the statements developed in parts a. and b. Which statement probably provides the better estimate of 2020 income? Explain why. Help me solve this