Question 1 If a project requires an initial investment of $25,000 and then is sold for $42,000 after 5 years, what is its NPV at an interest rate of 6%? What is its IRR? Question 2 If Dr. Smith buys a machine for $5,000 and is able to improve the earnings of her practice by $2,000 a year for five years, and then can sell the machine for $600 as scrap, what is the NPV at 15%? What is the IRR?