63. Soda Manufacturing Company provides vending machines for soft-drink manufacturers. The company has been investigating a new piece of machinery for its production department. The old equipment has a remaining life of three years and the new equipment has a value of $52,650 with a three-year life. The expected additional cash inflows are $25,000 per year. What is the internal rate of return? a. 20% b. 16% c. 10% d. 8%