Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

Exercise 8

An engineering practitioner can lease a fully equipped computer and color printer system for $800 per month or purchase one for $8500 now and pay a $75 per month maintenance fee. If the nominal interest rate is 15% per year, determine the months of use necessary for the two to break even. Show both
a) hand and b) spreadsheet solutions.