A company purchased now for $20,000 will lose $1,000 each year for the first 4 years. An additional $10,000 invested in the company during the 6th year will result in a profit of $5,000 each year from the 6th year through the 12th year. At the end of 12 years, the company can be sold for $30,000. Use the IRR method to determine the economic viability of this investment. MARR is 12%. Rework the problem above using the PW method and a study period of 8 years