help with the following :

2. Willowbrook Company has the following data for this year: Bottling Division Mixing Division Average operating assets $320,000 $ 800,000 Contribution margin 160,000 500,000 Operating income 80,000 120,000 Sales 500,000 1,300,000 Weighted-average cost of capital 17% 17% Willowbrook Company has a target ROI of 17 percent. Required: Calculate the following amounts for each division: a. Return on sales ratio b. Operating investment turnover C. ROI d. Residual income3. The following information pertains to Oliwander's 2014 operations: Selling price per unit $50 Variable costs per unit $20 Total fixed costs $1 10,000 The sales dollars required to obtain a target pretax profit of $30,000 is: a. $125,000 b. $208,333 c. $250,000 d. $233,333