A construction project is plan to be finished in 15years. $ 60 million, $ 50 million and $ 40 million will be invested at the beginning of year 1, year 6 and year 11 respectively. The annual running cost of the first 5 years, the second 5 years and the third 5 years will be $ 1.5 million, $ 2.5 million and $ 3.5 million annually respectively. The net scrap value at the end of year 15 will be $ 8 million. Try to draw the cash flow diagram of this project