1. Use the information in Tables Ill and IV to prepare a contribution marg income statement. Compute the contribution margin ratios for compute an overall simple average of the semesters. What obsor about the contribution margin over time? 2. Using average data computed in 1, compute the breakeven point Snack Shop before accepting FoodFunds. 3. Compare the contribution margin ratios computed in 1 and 2 ab percentages by product group in Table I. What factors could co betwoon these measures? Which give the most accurate measur actions can the Snack Shop take to increase overall contribution m