Dr Jones is evaluating an offer for his medical practice that will allow him to retire five years early. He has received an offer of R650 000 for his practice and he can invest this amount in an account earning 15% per year, compounded annually. If the practice is expected to generate the following cash flows, advise Dr Jones as to whether he should accept this offer and retire now or not.

End of year	Amount (in rands)
1	160 000
2	160 000
3	130 000
4	130 000
5	100 000