Calculate Overhill's contribution margin ratio and its total contribution margin at each sales level indicated in the cost data table assuming the company sells each bike for $650. (Round your answers to 2 decimal places. Omit the "%" sign in your response.) 500 Units 800 Units 1,000 Units Total contribution margin $ $ $ Contribution margin ratio % % % -------------------------------------------------------------------------------- Requirement 3: Calculate profit at each of the sales levels assuming a sales price of $650. (Negative amount should be indicated by a minus sign. Omit the "$" sign in your response.) 500 Units 800 Units 1,000 Units Profit / Loss $ $ $