The cost of Brazilian coffee is $2.00 per pound, the cost of mocha is $2.75 per pound, the cost of Colombian is $2.90 per pound, and the cost of mild is $1.70 per pound. The shop has 110
pounds of Brazilian coffee, 70 pounds of mocha, 80 pounds of Colombian, and 150 pounds of
mild coffee available per week. The shop wants to know the amount of each blend it should
prepare each week to maximize profit.