Bob Nelson with Olympic Flooring wanted to calculate his Break-Even sales volume. Here is what he came up with: Variable Costs: $904,680 Fixed Costs: $151,820 Sales: $1,077,000 Your job now is to help Bob calculate his variable costs percentage, his contribution margin, and his Break-Even sales point; then answer the questions below. Make sure to show your work to receive the maximum points. 1. What are the Break-Even sales for Olympic Flooring? 2. What additional sales are needed if rent increases by $2,000 per month? 3. What total sales are necessary to generate a $50,000 profit