Fill in the blanks $($a$)$ through $($g$)$ for each of the income statements for Year $1,$ Year $2,$ and Year $3.$ Income Statements For Years Ended December $31$ Year $1$ Year $2$ Year $3$ Net sales $$7,650$ $$10,250$ Cost of goods sold Merchandise inventory, beginning $400800$ Total cost of merchandise purchases $2,5003,7505,000$ Merchandise inventory, ending $800650$ Cost of goods sold $2,8955,150$ Gross profit $6,9005,350$ Operating expenses $3,8503,850$ Net income $($loss$)$ $$905$ $$2,600$