Question 20 (1 point) You have decided to add an online component to your retail store. The new equipment and training will cost $42,000. You expect that the change will increase revenue by $15,000 per year and expenses by $4,000 per year. You plan to sell the online portion of your business in 6 years for $30,000. Assume all cash outflows are paid at the beginning of the year and cash inflows are received at the end of the year. Find the NPV if you require a 9% return on your investment. Question 21 (1 point) Use the information in the previous question to answer the following: a. What is the IRR? b. Should you undertake the investment? C. You worry that you have been too optimistic about the selling price. What is the lowest selling price you could receive and still make this a worthwhile investment