Galvanized Products is considering purchasing a new computer system for their enterprise data management system. The vendor has quoted a purchase price of $80,000. Galvanized Products is planning to borrow 1/4th of the purchase price from a bank at 18.00 % compounded annually. The loan is to be repaid using equal annual payments over a 3-year period. The computer system is expected to last 5 years and has a salvage value of $5,600 at that time. Over the 5-year period, Galvanized Products expects to pay a technician $27,000 per year to maintain the system but will save $60,000 per year through increased efficiencies. Galvanized Products uses a MARR of 20.00 %/year to evaluate investments. a. What is the present worth of this investment? $ - 21782.73 Do all calculations to 5 decimal places and round final answer to 2 decimal places. Tolerance is +1.00. b. What is the decision rule for judging the attractiveness of investments based on present worth? PW > Accept: PW