future value of annuity payment

A=annunity payment R= interest rate n =no of years.

Suppose a condo generates $15,500 in cash flow at the end of year one. If the cash flows grow at 4% per your, the interest rate is 13%, and the building will bo tom down in 23 yours (the building is worthless after 20 yearu), what is the most you would pay for the condo today? Enter your response below (rounded to 2 decimal places). Number