For each company, calculate the missing amount. Company Sales Revenue Cost of Goods Sold Gross Profit Operating Expenses Net Income Lennon $14,200 (a) $6,100 $2,550 $3,550 Harison 14,300 9,100 (b) 4,100 1,100 McCartney 9,200 7,100 2,100 (c) 550 Starr 12,200 4,100 8,100 5,550 (d)