Key financial figures for Apple's two most recent fiscal years follow. $ millions Liabilities + Equity Net income Revenues Current Year $375, 319 48,351 229,234 Prior Year $321,686 45,687 215,639 Required: 1. What is the total amount of assets invested in Apple in the current year? 2. What is Apple's return on assets for the current year? 3. How much are total expenses for Apple for the current year? 4. ls Apple's current-year return on assets better or worse than competitors' average of 10% return