please answer attached question

Magee Windows manufactures two standard size windows, F and M, in the ratio of 5:3. F has a selling price of $150 and M has a selling price of $200. The variable cost of F is $75.00 and the variable cost of M is $90.00. Fixed costs are $352,500. Compute the (a) weighted average contribution margin, (b) break-even point in units, (c) number of units of each product that will be sold at the break-even point