Texmart is a locally owned big-box retail store chain in Texas with 75 stores, primarily located...

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Texmart is a locally owned "big-box" retail store chain in Texas with 75 stores, primarily located in the Dallas-Fort Worth area. In order to compete with national big-box store chains, Texmart is planning to undertake several "sustainability" (i.e., "green") projects at its stores. These national chains have been heavily publicizing their sustainability efforts, including the reduction of greenhouse gas (GHG) emissions, which has had a positive effect on their sales. They have also demonstrated that sustainability projects can have a positive impact on cost (especially energy) savings. The projects Texmart is considering include installing solar panels at some or all of its stores, installing small wind turbines, replacing some or all of its 165 trucks with more fuel-efficient hybrid trucks, and implementing waste reduction programs at its stores, including recycling and reducing the use of plastic bags in stores. The costs for these projects (per store or truck), the resulting reduction in GHG emissions (per store or truck), the annual cost savings (per store or truck), and the energy savings (per store or truck) are shown in the following table: Sustainable Projects Solar Power Cost ($) Wind Power 2,600,000 950,000 Shipping/ Vehicles Waste/ Recycling Plastic Bags 38,000 365,000 175,000 GHG reduction 17,500 8,600 25 1,700 900 (metric tons per year) Cost savings ($) 220,000 125,000 26,000 75,000 45,000 Energy savings (kWh) 400,000 150,000 34,000 1,200 55,000 Maximum Possible Units 75 stores 75 stores 165 trucks 75 stores 75 stores Texmart has established the importance weighted four goals: Goal It doesn't want to exceed its program budget of $30 million for sustainable projects. It wants to achieve GHG emission reduction of at least 250,000 metric tons per year. It wants to achieve annual cost savings of at least $4 million. It wants to achieve annual energy savings of at least 5 million kWh. Weight 0.5 0.2 0.2 0.1 Texmart is a locally owned "big-box" retail store chain in Texas with 75 stores, primarily located in the Dallas-Fort Worth area. In order to compete with national big-box store chains, Texmart is planning to undertake several "sustainability" (i.e., "green") projects at its stores. These national chains have been heavily publicizing their sustainability efforts, including the reduction of greenhouse gas (GHG) emissions, which has had a positive effect on their sales. They have also demonstrated that sustainability projects can have a positive impact on cost (especially energy) savings. The projects Texmart is considering include installing solar panels at some or all of its stores, installing small wind turbines, replacing some or all of its 165 trucks with more fuel-efficient hybrid trucks, and implementing waste reduction programs at its stores, including recycling and reducing the use of plastic bags in stores. The costs for these projects (per store or truck), the resulting reduction in GHG emissions (per store or truck), the annual cost savings (per store or truck), and the energy savings (per store or truck) are shown in the following table: Sustainable Projects Solar Power Cost ($) Wind Power 2,600,000 950,000 Shipping/ Vehicles Waste/ Recycling Plastic Bags 38,000 365,000 175,000 GHG reduction 17,500 8,600 25 1,700 900 (metric tons per year) Cost savings ($) 220,000 125,000 26,000 75,000 45,000 Energy savings (kWh) 400,000 150,000 34,000 1,200 55,000 Maximum Possible Units 75 stores 75 stores 165 trucks 75 stores 75 stores Texmart has established the importance weighted four goals: Goal It doesn't want to exceed its program budget of $30 million for sustainable projects. It wants to achieve GHG emission reduction of at least 250,000 metric tons per year. It wants to achieve annual cost savings of at least $4 million. It wants to achieve annual energy savings of at least 5 million kWh. Weight 0.5 0.2 0.2 0.1