Mary Tune will receive $19,500 a year for the next 20 years as a payment for a new song she has written.

Mary Tune will receive $19,500 a year for the next 20 years as a payment for a new song she has written. If an interest rate of 10%pa is applicable, should she be willing to sell out her future rights now for $100,000?

I made it out to $166,023