Para Co. is reviewing the following data relating to an energy saving investment proposal:
Cost $50,000
Residual value at the end of 5 years 10,000
Present value of an annuity of 1 at 12% for 5 years 3.60
Present value of 1 due in 5 years at 12% 0.57
What would be the annual savings needed to make the investment realize a 12% yield?