Managerial Accounting pls solve it asap

Philco Fishing Supplies produces three sizes of fishing nets; large (L), medium (M) and small(s). Normally Philco can sell all the nets it can produce but a skilled labor shortage is limiting Philco to 1,350 labor hours (DLH's) per month for the foreseeable future. Monthly data is shown below: Large Medium Small Contracted Sales (units) 14 20 10 Total Potential Demand 30 25 30 PLH's required per unit 30 20 15 CM per unit $240 $180 $150 Required - Determine the production mix that will maximize Philco's CM for the coming month. (8 marks)