Problem 5 A student prints 1000 sheets of paper in a year. They are undecided between using the library a new printer. In an online deal, the student finds a printer for printing services or buying $140 with a consistent resale value of $25 (neglecting depreciation). The student will have to pay $5/year for the first year, and $15/year for all subsequent years to operate and maintain the printer, which includes the cost of paper, ink, etc. They inquire with the librarian and find that the university charges $1 for every 10 sheets of paper. Consider an interest rate of 7% and find whether investing in the printer is worth it for a: (i) 2-year Master's student (ii) 6-year PhD student What do you conclude from the results and why