The owners of a convenience store want to install a new vending machine so that customers can purchase soft drinks after hours. The machine costs $3600 to purchase and install and will require $255 worth of maintenance each year. Incremental sales related to the machine will amount to $1300 per year. Assume the discount rates and the machine of 20 years. What is the net present value of the project? $8029 $10584 58267 x14 $5939 e Textbook and Media