Robert has struck an agreement to buy his dads car. The sale takes place when Robert can pay the depreciated value of the car.

The car is valued at $25,000 today but loses 10% in value each year due to depreciation.

Robert has only $10,000 which he invests into a long-term deposit (investment) earning him 6% p.a. (interest each year).

Graph the value of the car and Roberts term deposit value over time to approximate the time when he can buy the car.