Question 4: Solve the following independent prob old resulting Nancy's Niche sells a single units wer S20,000 of variable costs; and $10,000 of fixed costs. product. 8,000 units were sold resulting in $80,000 of sales revenue; a. The contribution margin percentage is b. Breakeven point in total sales dollars is To achieve $100,000 in operating income, sales must total c. d. If variable costs decrease by $1 per unit, the new breakeven point is