Complete the problem please: show equations.

Shown are selected data from the 2015 annual report of CVS Health, a large drugstore chain. (Dollar amounts are in millions.) (Round your percentage answers to 1 decimal places. i.e. 0.123 as 12.3%.) End of the Year 93,657 37,203 9,454 5,239 Beginning of the Year s 74,187 Total assets Total stockholders' equity Operating income Net income 37,963 a. Compute for the year CVS Health's return on average total assets. b. Compute for the year CVS Health's return on average total stockholders' equity. a. Return on assets b. Return on equity%