You have become very successful and are considering the purchase of a plane for your firm. The Piper model has an initial cost of $375,000, annual operating costs of $24,000 and a salvage value of $150,000. Its estimated holding period is 7 years. The Cessna model has an initial cost of $325,000, but annual operating costs of $29, 500 and an estimated salvage value of $100,000. Its estimated holding period is 8 years. Your cost of capital is fifteen percent. Ignoring depreciation and taxes, which model would be the best choice assuming they both would perform the required tasks?