5. Choose 6 out of the next 9 Questions: (A) Explain in detail the meaning of Contribution Margin. (B) Robeson Company estimates it will produce and sell 3,000 units next month. Data on costs follows: Per unit costs: Selling price.. Variable manufacturing costs. Variable selling costs... Total costs: Fixed manufacturing costs. Fixed selling costs.. REQUIRED: $11.00 $5.75 $0.25 $4,500 $ 500 iv. What is the breakeven point in units? What is the breakeven point in sales dollars? What is the expected operating income for next month? What is the margin of safety in dollars