ABC street Department repaves a street every 8 years. Potholes cost $10,000 per mile beginning at the end of year 3 after construction or repaving. The cost to fix potholes generally increases by $10,000 each year. Repaving costs are $120,000 per mile. ABC uses an interest rates of 6%. What is the EAC for ABC's policy? What is the EAC for the optimal policy? What is the optimal policy?