2. (25 pts.) A company purchases a piece of equipment for $30,000. The salvage value decreases by 50% each year, such that F.-$30,000*(0.5) The operating and maintenance costs for the equipment are $5,000 in the first year and increase by $5,000 every year. Assuming an MARR- 10%, what is the optimal replacement interval (OR) for the equipment, and the minimum value of the EUAC