For the four unrelated situations, A-D, below, calculate the unknown amounts indicated by the letters appearing in each column: A B C D Beginning Assets $38,000 $12,000 $28,000 (d) Liabilities 18,600 5,000 10,000 9,000 Ending Assets 30,000 36,000 41,000 37,000 Liabilities 17,300 (b) 15,000 15,000 During the year Common Stock 2,000 6,100 (c) 3,500 Sales Revenue (a) 28,000 18,000 24,000 Dividends 5,000 1,500 2,000 6,500 Expenses 9,500 21,000 11,000 17,000