Steinmetz furniture buys 2 products for resale: big shelves (B) and medium shelves (M). Each big shelf costs $100 and requires 100 cubic feet of storage space, and each medium shelf costs $50 and requires 80 cubic feet of storage space. The company has $25000 to invest in shelves this week, and the warehouse has 18000 cubic feet available for storage. Profit for each big shelf is $85 and for each medium shelf is $75. What is the constraint on money to invest?Max Z = 75B + 85M Max Z = 85B + 75M
100B + 50M ? 25000
100B + 50M ? 25000
100B + 80M ? 18000
100B + 80M ? 18000