The Telephone Company of America purchased a numerically controlled production machine 5 years ago for $300,000. The machine currently has a trade-in value of $70,000. If the machine is continued in use, another machine, X, must be purchased to supplement the old machine. Machine X costs $200,000, has annual operating and maintenance costs of $40,000, and will have a salvage value of $30,000 in 10 years. If the old machine is retained, it will have annual operating and maintenance costs of $55,000 and will have a salvage value of $15,000 in 10 years. As an alternative to retaining the old machine, it can be replaced with Machine Y. Machine Y costs $400,000, has anticipated annual operating and maintenance costs of $70,000, and has a salvage value of $140,000 in 10 years. Using a MARR of 15%, a cash flow approach, and a present worth comparison, determine the preferred economic alternative.
The Telephone Company of America purchased a numerically controlled production machine 5 years ago for $300,000. The machine currently has a trade-in value of $70,000. If the machine is continued in use, another machine, X, must be purchased to supplement the old machine. Machine X costs $200,000, has annual operating and maintenance costs of $40,000, and will have a salvage value of $30,000 in 10 years. If the old machine is retained, it will have annual operating and maintenance costs of $55,000 and will have a salvage value of $15,000 in 10 years. As an alternative to retaining the old machine, it can be replaced with Machine Y. Machine Y costs $400,000, has anticipated annual operating and maintenance costs of $70,000, and has a salvage value of $140,000 in 10 years. Using a MARR of 15%, a cash flow approach, and a present worth comparison, determine the preferred economic alternative.
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