how do u solve this problem

Exercise 2-28 (Algo) Analyzing changes in a company's equity LO P1 Compute the missing amount for each of the following separate companies in columns through E. (Losses and amounts to be deducted should be indicated with a minus sign.) CBS ABC NBC 0 $ $ $ 0 $ 117,500 CNN 0 104,223 (8,000) (6,000) Equity, beginning of year Owner investments during the year Dividends during the year Net income (loss) for the year Equity, end of year 0 228,821 (53,000) 113,500 119,500 $ (51,000) 64,915 115,915 $ $ 128,821