The Bay City Parks and Recreation Department has received a federal grant of $600,000 to expand its public recreation facilities. City council representatives have demanded four different types of facilities?gymnasiums, athletic fields, tennis courts, and swimming pools. In fact, the demand by various communities in the city has been for 7 gyms, 10 athletic fields, 8 tennis courts, and 12 swimming pools. Each facility costs a certain amount, requires a certain number of acres, and is expected to be used a certain amount, as follows:

Expected Usage Facility Cost Required Acres (people/week) Gymnasium $80,000 1,500 Athletic field 24,000 3,000 UI W OO A Tennis court 15,000 500 Swimming pool 40,000 1,000