SBI Corporation Income Statements (excerpt) 2019 2018 $71,890 $70,074 21,685 21,536 50,205 48,538 19,945 21,203 9,095 9,046 224 -368 726 552 484 -2,064 4911 509 19,803 19,196 3,263 3,787 $16,540 $15,409 (dollars in millions) Sales to customers Cost of products sold Gross profit Selling, marketing and administrative expenses Research and development expense In-process research and development Interest income Interest expense, net of portion capitalized Other (income)expense, net Restructuring Earnings before provision for taxes on income Provision for taxes on income Net earnings 29 -128 B. Vertical Analysis a. Compute each line item as a percentage of sales for 2018 and 2019. b. Which line items makes up the largest proportion of sales in 2018 and 2019? (Keep in mind that some of the items like gross profit and earnings before provision for taxes on income are subtotals.) c. Comment of any changes in the income and expenses as a percent of sales from 2018 and 2019