Solve b

b. Assume that more than one product is being sold in each of the four following case situations: Average Contribution Net Operating Variable Margin Fixed Income Case Sales Expenses Ratio Expenses (Loss) 1 $500,000 ? 20% ? $7,000 2 $400,000 $260,000 ? $100,000 ? 3 ? ? 60% $130,000 $20,000 4 $600,000 $420,000 $(5,000)