Presented below are the components in Waegelain Company's income statement. Determine the missing amounts. Sales Cost of Goods Sold Gross Profit Operating Expenses Net Income (a) $77,820 $ $37,540 $ $14,520 (b) $111,040 $76,960 $ $ $25,480 (c) $ $72,590 $83,970 $48,750 $