Presidio. Inc. produces one model of mountain bike. Partial information for the company follows: Complete Presidio's cost data table. (Round your Cost per Unit answers to 2 decimal places.) Calculate Presidio'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 percentage answers to 2 decimal places (i.e., 12.34%.)) Calculate net operating income (loss) at each of the sales levels assuming a sales prior of $6.10. (Round your answers to the nearest whole dollar amount.)