Question: please help with the excel calculation its been my 6 th attmpt but i am not able to find the same answers which is been

please help with the excel calculation its been my 6 th attmpt but i am not able to find the same answers which is been given by experts when i calculate it on excel. kindly help here
please help with the excel calculation its been my 6 th attmpt
but i am not able to find the same answers which is

7.1 A special purpose machine is to be purchased at a cost of $15,000. The following table shows the expected annual operating and maintenance cost and the salvage values for each year of service. a) If the interest rate is 10%, what is the economic service life for this machine? b) Repeat (a) above using i=15%. 1. Economic life of the machine is 1 year for both rates. The 3AE(15) for the machine is: a. $8610 b. $7383 c. $8983 d. $8974

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