---> Please provide the step-by-step solution. <--- Include manual solution, as well as how to do it using EXCEL. Thank you.

Chapter 04, Supplemental Question 03 A design change being considered by Mayberry, Inc., will cost $20,000 and will result in an annual savings of $3,500 per year for the 6-year life of the project. A cost of $9,000 will be avoided at the project's end as a result of the change. MARR is 15 %/year. Click here to access the TVM Factor Table Calculator What is the present worth of this investment? $. Carry all interim calculations to 5 decimal places and then round your final answer to the nearest dollar. The tolerance is $10. What is the decision rule for judging the attractiveness of investments based on present worth? Should Mayberry implement the design change