Can someone thoroughly explain how to find the answers?

Omitted Financial Statement Data For the following four unrelated situations, A through D, calculate the unknown amounts appearing in each colu Beginning Assets Liabilities Ending Assets Liabilities During Year Sales Revenue Expenses Dividends $28,000 $12,000 $28,000 s (d) 17,700 5,000 19,000 9,000 30,000 26,800 34,000 40,000 21,900 17,300 22,000 23,500 21,000 1,500 28,000 24,000 17,000 3,000 8,500 11,000 3,000 os 13900 ) 18,800 (s 14000 (0)s 23,100