answer requirement A only

Makefit Co. produces two products, A and B. Product A requires 4 hours of machine time and two hours of skilled labor per unit, while product B needs 2 hours of machine time and two hours of skilled labor per unit. The weekly available machine time is 10 hours and skilled labor is 8 hours. The contribution to profit per unit of product A is Php50 and per unit of B is Php30. Determine the number of units of product A and B to be produced to maximize profit using a) The graphical approach of linear programming b) The simplex approach to linear programming