Presented here are the components in Sheffield Corp.'s income statement. Determine the missing amounts. Sales Revenue Cost of Goods Sold Gross Profit Year 1 $ 72,080 ta $ (b) $ 31,600 Year 2 $109,200 $72,800 $ (c) Year 3 ta a (a) $73,960 $112,750 Gross Profit Operating Expenses Net Income (b) b $ 31,600 $ ta (d) ) $11,160 $ (c) TA $ (e) $29,620 $112,750 $49,010 $ (f)