help asap please

QUESTION: Sophie Inc. manufactures coats and sweaters. Each item goes through the knitting operation. Total hours available for knitting for both products is 2,460 hours. There are no other constraints in the production process. The following information is available for both products: Coats Sweaters Contribution margin per unit $120 $75 Time required to knit one unit (hours) 5 hours 3 hours Using the above information answer the following questions. What is the contribution margin per hour of knitting department time for the coats? A/ What is the contribution margin per hour of knitting department time for the sweaters? A Determine the optimal product mix. Given your calculations, how many units of coats should the company produce? A/ Given your calculations, how many units of sweaters should the company produce? What is the total contribution margin earned for the optimal product mix