A machine cost $100,000 to purchase. It requires no maintenance in the first year, but has a maintenance cost of $4,000 at the end of year 2. The maintenance cost escalates by $750 for each year. Annual revenue from this machine is $8000. At the end of 6 years, the machine can be sold for $10,000. For a minimum attractive rate of return (MARR) of 10% (interest rate), determine 2. A. The cash-flow diagram B. The present worth of the investment in this machine C. The annual worth of the investment in this machine. D. The future worth of the investment in this machine