solve on paper please

A firm is considering a project that will result in the cash flows described below: An immediate investment of 54 million is required. Additional investments of 8 million will be required at the end of the year for each of the next 5 years The project will generate 15 cash inflows, which will be paid annually. The first cash flow occurs at the end of year 6 and will be in the amount of 45 million. . Each subsequent cash inflow will be 3 million less than the previous one. Assuming that the cost of capital is 7%, calculate the NPV of this project, in millions of dollars