Aziz purchased a stock for $105. The stock paid a dividend of $2.50 at the end of each year for 3 years. He sold the stock at the end of the third year for $129. What was his internal rate of return (IRR)? Robin owns a business and is thinking of expanding her operations to other cities. The expansion will require an investment of $600,000 today. But, it will generate extra income of $120,000 each year for the next 8 years. Robin's required return on investment is 10 percent. What is the net present value NPV of this investment? Should Robin expand? Sharmila holds a stock with an expected return of 15 percent. The risk-free rate is 5 percent. What risk premium will Sharmila earn by holding this stock? Assume the stock is as risky as the market. Mohammed purchased a house for $150,000 and spent $50,000 to renovate it. He lived in the house for 10 years and can sell it today for $500,000. On what amount will he be required to pay taxes by US law? Efuru believes that anyone who holds the stock of PYK Co. should cam a risk premium of 4 percent. If the risk-free rate is 2.5 percent, what return is Efuru expecting? Assume the stock is as risky as the market