Pro forma income statementThe marketing department of Metroline Manufacturing estimates that its sales in 2016 will be $ 1.56 million. Interest expense is expected to remain unchanged at $35,000,and the firm plans to pay$64,000in cash dividends during 2016. Metroline Manufacturing's income statement for the year ended December 31, 2015, is given , along with a breakdown of the firm's cost of goods sold and operating expenses into their fixed and variable components. a. Use the percent-of-sales method to prepare a pro forma income statement for the year ended December 31, 2016.

My question: how do i calculate the less: operating expenses and the cost of goods sold of percentage of the operating expenses?

here is the data table

Data Table (Click on the icon located on the top-right corner of the data tables below in order to copy its contents into a spreadsheet.) Metroline Manufacturing Income Statement for the Year Ended December 31, 2015 Sales revenue $1,392,000 Less: Cost of goods sold 915,000 Gross profits $477,000 Less: Operating expenses 110,000 Operating profits $367,000 Less: Interest expense 35,000 Net profits before taxes $332,000 Less: Taxes (rate=40%) 132,800 Net profits after taxes $199,200 Less: Cash dividends 62,000 To retained earnings $137,200 Metroline Manufacturing Breakdown of Costs and Expenses into Fixed and Variable Components for the Year Ended December 31, 2015 Cost of goods sold Fixed cost $202,000 Variable cost 713,000 Total cost $915,000 Operating expenses Fixed expenses $39,000 Variable expenses 71,000 Total expenses $110,000 Print Done Data Table (Click on the icon located on the top-right corner of the data tables below in order to copy its contents into a spreadsheet.) Metroline Manufacturing Income Statement for the Year Ended December 31, 2015 Sales revenue $1,392,000 Less: Cost of goods sold 915,000 Gross profits $477,000 Less: Operating expenses 110,000 Operating profits $367,000 Less: Interest expense 35,000 Net profits before taxes $332,000 Less: Taxes (rate=40%) 132,800 Net profits after taxes $199,200 Less: Cash dividends 62,000 To retained earnings $137,200 Metroline Manufacturing Breakdown of Costs and Expenses into Fixed and Variable Components for the Year Ended December 31, 2015 Cost of goods sold Fixed cost $202,000 Variable cost 713,000 Total cost $915,000 Operating expenses Fixed expenses $39,000 Variable expenses 71,000 Total expenses $110,000 Print Done