Exercise 3-15A Calculate the balance of retained earnings (LO3-5) Below are the restated amounts of net income and retained earnings for Volunteers Inc. and Raiders Inc. for the period 2012-2021. Volunteers began operations in 2013, while Raiders began several years earlier. Required: Calculate the balance of retained earnings each year for each company. Neither company paid dividends during this time. (Enter your answers in millions (i.e., 10,000,000 should be entered as 10). Amounts to be deducted should be indicated by a minus sign.) VOLUNTEERS INC. ($ in millions) RAIDERS INC. ($ in millions) Retained Net Retained Earnings Income (Loss) Earnings 0 $ 28 $ 12 (56) 62 50 89 Net Year Income (Loss) 2012 S 2013 $ 17 2014 (7) 2015 28 2016 122