3. Using the info from Question #2 if 400 people are to occupy the building with and annual salary of $40,000 and the device decreases production by 5% what is the simple payout?

Question #2: An energy conservation option has a first cost of $75,000, it requires $6,000 in maintenance and saves $12,000 per year, what is the simple payback? simple payback pd=12.5 years