19. The income statements for Davis Manufacturing Inc. are provided for two recent years: 2014 2013 Revenue......... $1,100,000 $1,050,000 Cost of goods sold. 340,000 300,000 Gross profit. 760,000 750,000 Expenses 221,000 165,000 Depreciation expense.. 37,500 37,500 Other operating expenses. 161,500 142.500 Total operating expenses. 420,000 345,000 Profit from operation5.........mmmmmm!) 340,000 405,000 Interest expense......mmmmmm (15,000) (15,000) Income tax expense....mmmmmm (22,500) (27,000) Profit. $ 302,500 $ 363,000 Instructions a. Using the above information to prepare a vertical analysis for Davis. b. Using the analysis completed in part a., identify the reason for Davis's decreasing profit at the same time that revenue is increasing