My answer was incorrect, can someone help me get the correct answer? It has to do with geometric gradients.

A cash flow series is increasing geometrically at the rate of 8% per year. The initial payment at EOY 1 is $5,000, with increasing annual payments ending at EOY 20. The interest rate is 15% compounded annually that is equivalent to this cash flow. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 5% per Click the icon to view the interest and annuity table for discrete compounding when the MARR is 8% per Click the icon to view the interest and annuity table for discrete compounding when the MARR is 15% year year. per year. The present amount that is equivalent to this cash flow series is $99120. (Round to the nearest dollar.)