please answer the following (the numbers with red marks are wrong) and show your calculations:

Net Income Planning Selected operating data for Venora Company in four independent situations are shown below. Fill in the blanks for each independent situation Sales $320,000 $ 120,000 c. $ 342,857 X e. $280,000 Variable expense Fixed expense Net income before tax (loss) $180,000 a. $48,000 $ 6,857 X f. $ 168,000 g. $100,000 b. $56,000 $16,000 9Xd. $240,000 $120,000 $40,000 7,000 $20 $96,000 $(8,000) Units sold Unit contribution margin $9 Contribution margin ratio 0.7 0.43 h