p23-3B has 3 parts to the whole answer please answer as best as possible.

Sung Company produces two models of its product with the same machine. The machine has a capacity of 200 hours per month. The following information is available. Required 1. Determine the contribution margin per machine hour for each model. 2. How many units of each model should the company produce? How much total contribution margin does this mix produce per month? 3. Assume the maximum demand for the Standard model is 180 units (not 550 units). How many units of eich model should the company produce? How much total contribution margin does this mix produce per month