5. 9.17 A textile processing company is evaluating whether it should retain the current bleaching process which uses chlorine dioxide or replace it with a proprietary Genpure process. The relevant information for each process is shown.

(a) Use an interest rate of 15% per year to perform the replacement study.

(b) Additionally, write the PMT functions that display the information necessary to make the decision. Table Summary: A table divided into 3 columns compares the current bleaching process and the genpure process on basis of a replacement analysis. The column headers are given as: Process; Current; and Genpure. Process Current Genpure Original cost 6 years ago, $ −450,000 — Investment cost now, $ — −600,000 Current market value, $ 25,000 — Annual operating cost, $/year −190,000 −70,000 Process Current Genpure Remaining life, years 3 10 Salvage value at life end, $ 0 50,000