A Kenyan chemical company is producing two products A and B. The processing times are3 hours and 4 hours per unit for A on operations one and two respectively and 4 hours and 5 hours per unit for B on operations one and two respectively. The available time is 18 and 21 hours for operation one and two respectively. The product A can be sold at Kes 3 profit per unit and B at Kes 8 profit per unit. Required: Solve for maximum profit program.