18. Calculate the IRR of a project that requires an initial cash outflow of $6,000.00 and will be sold at the end of year 5 for $2,000.00 The project produces the following cash flows: year 1) +$2,000; year 2) +$1,750; year 3) +$1,500; year 4) +$1,000; year 5) +$500. 19. Calculate the number of years it will take $2,500 to grow to $25,000 assuming an annual rate of return of 12%. 20. Calculate the number of years it will take $100,000 to grow to $5,000,000 assuming an annual rate of return of 18%, compounded monthly