A company is evaluating a project with a useful life of 12 years that requires an investment of GH¢100 million per year at the beginning of year 1, 2, 3, and 4 plus an additional GH¢100 million at the end of year 8. Annual benefits starting at the end of year 5 until the end of the project's life are estimated to be GH¢90 million.
What is the net present value of the project for the interest rate of 5% per year?