O words Question 17 2 pts An equipment cost $80,000 initially. The market value has been declining at the rate of $15,000 yearly. The O&M costs in year 1 were $10,000 and have been increasing by $2,000 from year 2.Determine the minimum cost life of this equipment for a MARR of 10% 4 years 2 years 1 year 5 years D Question 18 O pts