4. A firm needs to expand its manufacturing capacity. The present facility could be expanded to meet the needs at a cost of $1.2 million. Waste treatment costs for the expanded facility would be about $184,000 per year. An entirely new facility that would reduce waste production could be built for approximately $3.35 million. The new facility would have an estimated annual waste treatment cost of $56,000. Assume a 20-year useful life for the facilities and a zero salvage value for both. If the prevailing interest rate is 10%, which alternative is preferable?