1. The initial cost of a pickup truck is $12,622 and will have a salvage value of $4,336 after five years. Maintenance is estimated to be a uniform gradient amount of $104 per year, with zero dollar for first year maintenance. The operation cost is estimated to be $0.34 per mile for 330 miles per month. If the interest rate is 12%, what is the annual equivalent cost (AEC) for the truck?Enter your answer as follow: 1234562.A beautiful bridge is being built over the river that runs through a major city in your state. The cost of the bridge is estimated at $600 million. Annual costs of the bridge will be $200,000, and the bridge is estimated to last a very long time. If accountants in city hall use 3% as the interest rate for analysis, what is the annualized cost of the bridge project? Choose the closest answer.3. A rich singer has donated $318,589 to endow a university professorial chair in Bohemian Studies. If the money is invested at 10.43%, how much can be withdrawn each year, ad infinitum (indefinitely), to pay the Professor of B.S.?4.