San Francisco repaves its asphalt paved streets every eight years. Potholes cost $24,000 per mile beginning at the end of the third year after construction or repaving. The cost of repair of potholes increases by $30,000 per mile every year thereafter. Repaving costs $400,000 per mile. The city uses an interest rate of six percent to evaluate its projects. What is the EUAC of the city's policy? What is the EUAC for the optimal policy? What is the optimal policy