Peter purchased a stock for $50. He received dividends in years one, two and three of $1.2; $1.00 and $.95. In year 4 he sold the stock for $60. What is his Internal Rate of Return (IRR)? 13) Mary invested in an asset that cost her $10,000 that will supply her $2000, in year 1, $1500 in year 2, $5000 in year 3 and $6000 in year 4. If Mary wanted to earn 10% on her investment calculate the Net Present Value (NPV). Joseph had an investment that will supply her $1400, in year 1, $1500 in year 2, $4000 in year 3 and $1000 in year 4. He wanted to know how much he should be willing to pay for that investment today if he wanted to earn 15% on his investment? i.e, find the NPV