Please include steps for each box

Net Income Planning Selected operating data for Oakbrook Company in four independent situations are shown below Fill in the blanks for each independent situation. $325,000 $ $130,000 Sales C. e. $101,000 $62,000 $15,000 Variable expense g. Fixed expense b. $48,200 $44500 $15,000 30,000 $5.20 Net income before tax (loss) $28,800 s(5,500) Units sold d. Unit contribution margin $7.00 Contribution margin ratio 0.4