Assume that you borrow $50,000 from a friend with 3% interest cost and $100,000 from bank with 2% interest. Then add $250,000 from your pocket and invest all $400,000 on a project. At the end of the year, the investment returns 4%. How much is your ROI? a. 5.5% b. 5% O c. 3% O d. 5.89%