The initial cost of a pickup truck is $10,764 and will have a salvage value of $4,285 after five years. Maintenance is estimated to be a uniform gradient amount of $179 per year, with zero dollar for first year maintenance. The operation cost is estimated to be $0.37 per mile for 170 miles per month. If the interest rate is 12%, what is the annual equivalent cost (AEC) for the truck? Enter your answer as follow: 123456