Fill in the blanks (a) through (g) for the Y Company for each of the income statements for 2017, 2018, and 2019. Y Company Income Statements For the years ended December 31 2017 2018 2019 Sales.......................................................... $7,500 $10,000 (f) Cost of goods sold.............................. Merchandise inventory (beginning).... (a) 375 750 Total cost of merchandise purchases... 2,400 3,625 4,875 Merchandise inventory (ending)... (b) 750 625 Cost of goods sold............... 2,770 (d)____ 5,000 Gross profit................... (c) 6,750 5,200 Operating expenses....... 3,750 3,750 (g)____ Net income $ 980 (e) $ 2,500 (a) (b) (c) (d) (e) (f) (g)