Engineering Economy 7th Edition by Leland Blank ,Anthony Tarquin

تمرين 19

The Pedernales Electric Cooperative estimates that the present worth now of income from an investment in renewable energy sources is $12,475,000. There will be no income in years 1 and 2, but in year 3 income will be $250,000, and thereafter it will increase according to an arithmetic gradient through year 15. What is the required gradient, if the interest rate is 15% per year Solve
a) by hand and b) using a spreadsheet.