Key figures for Apple and Google follow.

Required
1. Compute return on total assets for Apple and Google for the two most recent years.
2. Separate the return on total assets computed in part 1 into its components for both companies and both years according to the formula in Exhibit 15.9.
3. Which company has the highest total return on assets? The highest profit margin? The highest total asset turnover? What does this comparative analysis reveal? (Assume an industry average of 10.0% for return on assets.)

Apple Google I Year Prior 2 Years Current I Year 2 Years ($ millions) millions) Curre Year Prior Year Prior Prior Net income Net sales 70,910 156,508 Total assets. . 207,000 76,064 37,037 41,733 25,922 12,920 0,737 9,737 37,905 72,574 108,249 59,825 16,37 10,920 50,175 93,798