Maintenance costs of a machine start at $1000 and go down by $100 each year for 5 years. What is the equivalent uniform annual maintenance cost for the machinery if i = 6%

Required information Eight years ago, Ohio Valley Trucking purchased a large-capacity dump truck for $108,000 to provide short-haul earth- moving services. The company sold it today for $45,000. Operating and maintenance costs averaged $8,900 per year. A complete overhaul at the end of year 3 costs an extra $3600 Calculate the annual cost of the truck at /-8% per year. The annual cost of the truck is $- per year.

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A financial instrument makes continuous payments for 15 years. The rate of payment at time t is (100+10t) per annum, for 0 ≤ t ≤ 15 and the force of interest at time t is (0.05 +0.005t). (a) Calculate the present value of the annuity at time t = 0. (b) Calculate the accumulated value of the annuity at the end of 15 years. Solution: