Please show all work and explain as I am actually using this to study/learn. Thank you so much in advance.

The following is directly from my homework assignment and has no extra information besides what's provided below.

2. Calculate Presidios 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 $610. (Round your Margin Ratio percentage answers to 2 decimal places (i.e. .1234 should be entered as 12.34%.))

3. Calculate net operating income (loss) at each of the sales levels assuming a sales price of $610. (Round your answers to the nearest whole dollar amount.)

Presidio, Inc. produces one model of mountain bike. Partial information for the company follows: Required: 1. Complete Presidio's cost data table. (Round your Cost per Unit answers to 2 decimal places.) Bikes Produced and Sold 430 Units 870 Units 1738 Units Total costs Variable costs $ 124,700 Fixed costs per year Total costs $ 124,700 S Cost per unit Variable cost per unit Fixed cost per unit Total cost per unit 0.00541.00$ 0.00