Your company is trying to determine whether to spend $500,000 in process improvements.The projected savings increase in time as given in table 1.The alternative is to do nothing and leave the $500,000 in investments earning interest.What interest rate is required in the investments for the better choice to be to do nothing?

Table 1. Savings obtained from $500,000 investment.

Year	Savings ($)
1	25,000
2	75,000
3	100,000
4	125,000
5	250,000