6-47. The Advantgard Company plans to make a “green” investment in its forklift truck fleet. A hydrogen fuel-cell powered forklift will do the work of three battery-pack forklifts because of the time required to recharge the batteries. If the MARR is 20% per year, which type of forklift should be recommended? Use the IRR method. The salvage values of both types of trucks are negligible. (6.5.2) Battery (three trucks) Hydrogen (one truck) Initial investment $250,000 $400,000 Cost of operation $60,000 per year $30,000 per year Useful life 6 years 8 years