2) Fixed Time Period Model (4 points) Given Information: - Annual Demand = 1000 units - \# days per year =365 - Ordering cost =$5/ order - Holding cost = \$1.25/unit/year - Lead time =5 days - Unit cost =$12.50 a) Find the Economic Time Interval (T) IN DAYS =Q/D (1 point) b) Find the Optimal Replenishment Level (M)=d(T+L). (1 point) c) Explain how this inventory model works in a sentence or two using the values you calculated for a) and b) above. Be specific. (2 points)