A store has two types of animal feed available. Type A containspounds of oats and pounds of corn per bag. Type B contains poundsof oats and pounds of corn per bag. A farmer wants to combine thetwo types so that the resulting mixture has at least pounds of oatsand at least pounds of corn. The store only has bags of type A feedand bags of type B feed in stock. Type A costs per bag and type Bcosts per bag. How many bags of each type should the farmer buy tominimize her cost?