slove using excel!!!Groundwater wells are known to begin pumping sand once it becomes exploited (old), and this may damage the subsequent water treatment processes. To solve this problem, two alternatives are proposed: A new well can be drilled at a capital cost of $385, 000 with minimal operating and maintenance expenses of $20,500 per year. A settling tank can be constructed ahead of the treatment processes which will cost $ 190,000 to build and $32, 100 per year to operate and maintain. The salvage value of either option at EOY 20 is 10% of the capital investment. Using a MARR of 7%: (a) Which alternative is better for the 20-year study period (using the present worth method)? ( b) Confirm the answer of (a) using the future worth method (state the future worth for each of the alternatives and make a decision based on these values)?

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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slove using excel!!!Groundwater wells are known to begin pumping sand once it becomes exploited (old), and this may damage the subsequent water treatment processes. To solve this problem, two alternatives are proposed: A new well can be drilled at a capital cost of $385, 000 with minimal operating and maintenance expenses of $20,500 per year. A settling tank can be constructed ahead of the treatment processes which will cost $ 190,000 to build and $32, 100 per year to operate and maintain. The salvage value of either option at EOY 20 is 10% of the capital investment. Using a MARR of 7%: (a) Which alternative is better for the 20-year study period (using the present worth method)? ( b) Confirm the answer of (a) using the future worth method (state the future worth for each of the alternatives and make a decision based on these values)?
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