MidWest Amusements is in the process of reviewing 10 proposals for new rides at its theme parks in cities scattered throughout the American heartland. The companys only experienced safety engineer must carefully review plans and monitor the construction of all new rides. However, she is only available to work on new rides for 1,544 hours during the year. The net present values and the amount of safety engineer time required for the proposed rides are listed below:

MidWest Amusements is in the process of reviewing 10 proposals for new rides at its theme parks in cities scattered throughout the American heartland. The company's only experienced safety engineer must carefully review plans and monitor the construction of all new rides. However, she is only available to work on new rides for 1,544 hours during the year. The net present values and the amount of safety engineer time required for the proposed rides are listed below Safety Engineer Net Present Time Required Proposed Ride Value (hours) 659,700 Ride 1 180 Ride 2 1,088,000 340 Ride 3 691,200 320 Ride 4 601,800 170 Ride 5 556,250 250 Ride 6 354,200 140 Ride 7 287,700 137 144 Ride 8 624,960 Ride 9 316,480 172 Ride 10 446,040 252 5,626,330 Tota 2,105