Please explain how to find net income/loss, thanks.

Exercise 2-15 Computing net income LO A1 A corporation had the following assets and liabilities at the beginning and end of this year. Beginning of the year End of the year Assets $ 57,000 104,000 Liabilities $24,436 42,120 a. Owner made no investments in the business, and no dividends were paid during the year. b. Owner made no investments in the business, but dividends were $1,450 cash per month. c. No dividends were paid during the year, but the owner did invest an additional $45,000 cash in exchange for common stock. d. Dividends were $1,450 cash per month, and the owner invested an additional $35,000 cash in exchange for common stock. Determine net income or net loss for the business during the year for each of the above separate cases: (Decreases in equity should be indicated with a minus sign.) a. b. C. d. Beginning of the year-Equity $ 32,564 $ 32,564 $ 32,564 $ 32,564 Owner investments 45,000 35,000 Dividend (17,400) 0 (17,400) Net income (loss) End of the year-Equity $ 0 $ 0 $ 0