· Assumption 1: assume a labor force of 65 workers who will typically work 40-hour work weeks via 8-hours per day on Monday through Friday but would consider overtime work

if needed. Assumption 2: on average, assume 4.33 weeks per month. ·Assumption 3: assume that the productivity factor (also known as the efficiency rate) during month 7 to month 12 was 0.85 each month.