The initial cost of a pickup truck is $12,469 and will have a salvage value of $4,030 after five years. Maintenance is estimated to be a uniform gradient amount of $176 per year, with zero dollar for first year maintenance. The operation cost is estimated to be $0.22 per mile for 422 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