Please show all work and clearly seperate parts

The following data pertain to costs and revenue estimates for a proposed new product (Endurance) to be manufactured by Great Lakes Electronics (GLE), Inc. (NOTE: The product is sold only through retailers. No wholesalers are involved) Calculate the following: a) Retailers' margin pereent (\%) [Hint: You will need to first determine an average retail price for Endurance by dividing the dollar market size by the unit market size] ( 1 point) b) Contribution per unit earned by MI Electronics (I point) c) GLE's contribution margin (I point) d) GLE's breakeven volume in units (2 points) c) GLE's breakeven volume in dollars (2 points) f) GLE's breakeven share of market, i.e. its market share at the breakeven point (3 points) g) GLE's total contribution at the forecasted level of sales (3 points) h) Volume (in units) needed for GLE to achieve $5,000,000 profit ( 2 points)