1 (Points 40) Company XYZ is considering to switch from an existing electrical water heater to an array of solar panels. The net installed investment cost of the panels is $1610. Based on an energy audit, the existing water heater uses 150 kilowatt hours (KWh) of electricity per month at $0. 1600 per kWh. It has been estimated that starting from the end of year four, expenses will increase by 6 dollars every coming year for the next six years, after which the costs will continue to increase by 10 dollars every coming year until the end of the project lifetime of 15 years, Instructions: Use 4 digits in your calculations and reporting the answers. Do not write commas or apostrophes. Do not write $ (dollar sign) or any other symbol, just write the number. a. (Points 20) What is AW of this project at MARR=7%? b. (Points 5) Do you recommend implementing this project? c. (Points 15) Draw the cashflow diagram, and show the steps with your own handwriting. (Drag & Drop in the image of your work in the following box as a JPG, PNG, etc.)