Heatwave Gaming develops, markets, and publishes electronic games. ZipTrain is one of the largest rallway networks in the nation, with over 27,000 miles of railroads. The following data were taken from each of the companies' December 31, 2017, annual reports. Revealing which data relate to which company was intentionally omitted. The dollar amounts are in millions. 14.28 points References Company 1 Company 2 Sales $20,840 $5,250 Depreciation costs 2,355 142 Net earnings 10,782 1,943 Current assets 3,506 6,984 Property, plant, and equipment 52,705 8,theta14 Total assets 58,706 16,181 Required a. Calculate depreciation costs as a percentage of sales for each company. Note: Round your percentage answers to 2 decimal places (i.e., 0.0123 is entered as 1.23% ). b