8) A building contractor purchased a scraper for L.E. 185,000. He maintained the scraper at a cost of L.E. 15,000 per year. He overhauled the machine 4 years after the purchase at a cost of L.E. 22,500. Two years after the overhaul, he sold the scraper for L.E. 75,000. What was his equivalent uniform annual cost from the end of year No. 3 to the end of year No. 7 if the interest rate was 13.5 % per year