-24. Add-or-drop with net present value analysis (builds on material in Chapters 6 and 7). Franklin County Hospital, a nonprofit hospital, bought and installed a new computer system last year for $150,000. The system is designed to relay information between labs and medical units. Charlene Walker, the hospital's new computer specialist, had a meeting with Lou Campbell, vice president of finance. She said: "Lou, today I read in a journal that a new computer system has Just been introduced. It costs $60,000, but I believe that by replacing our old system, we could reduce operating and maintenance costs that are now being incurred."The following are Walker's Add-or-drop with