The costs of fuel for a smelting operation are expected to be $50,000 in year three, $52,500 in year four and amounts increasing by 5% per year thereafter through year ten. At an interest rate of 8% per year, the present worth of the fuel cost is nearest to:

Which of the following represents an unlimited queue? a. toll booth serving automobiles on the interstateb. drive through lane at a fast food restaurantc. faculty office with limited seating during office hoursd. restaurant with no outside seating and limited capacity due to fire departments restrictionse. small barbershop with only 5 chairs for waiting customers