Your company is looking for a way to increase the production output of a certain material. One of the options is to install a heat exchanger to speed up the drying time of the material. Assume additional material produced will be sold. You estimate that the heat exchanger will not have any resale value at the end of $8$ years. Annual operating costs for maintenance and energy are estimated to be $$7,500$; annual profits from being able to produce more of this new product will be $$22,500.$ If your company requires i$=15\%$ return on investment on projects of this type. How much should your company pay for this equipment today? Show your work to support your answer. Draw a cash flow diagram