**14) Stan bought a car three years ago for $20,000. Recently he got a promotion and is deciding whether to keep his old car or to buy a new one. His dealer told him that the current market price of his old car is $15,000. The car maintenance costs are $1,000 now, and they are going to increase each year by at least $500. Stan compares his old car with a new one that, he calculates, would have an equivalent annual cost of $4,100. What is Stan's optimal decision if his current interest rate is 7%?**

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
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**14) Stan bought a car three years ago for $20,000. Recently he got a promotion and is deciding whether to keep his old car or to buy a new one. His dealer told him that the current market price of his old car is $15,000. The car maintenance costs are $1,000 now, and they are going to increase each year by at least $500. Stan compares his old car with a new one that, he calculates, would have an equivalent annual cost of $4,100. What is Stan's optimal decision if his current interest rate is 7%?**
Transcribed Image Text:**14) Stan bought a car three years ago for $20,000. Recently he got a promotion and is deciding whether to keep his old car or to buy a new one. His dealer told him that the current market price of his old car is $15,000. The car maintenance costs are $1,000 now, and they are going to increase each year by at least $500. Stan compares his old car with a new one that, he calculates, would have an equivalent annual cost of $4,100. What is Stan's optimal decision if his current interest rate is 7%?**
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