Sony Corporation is considering the purchase of a new phone system for a sales office in Boise, Idaho. The Lucent Technologies system costs $54,000, has annual operating expenses of $4,000 and an expected life of 9 years. The Toshiba system has a cost of $48,000, annual operating expenses of $4,000 and an expected life of 7 years. Ignoring depreciation and taxes and assuming a cost of capital of 9 percent for such an investment, which system should Sony purchase? You are free to use either replacement chain or EAA/EAC analysis.