The ABB Manufacturing Company produces spare parts for civil construction engines. The net requirements for a highly demanded wearing part over the next 5 months are given in the table below. The setup cost is $120, and the holding cost is estimated at $1.5 per unit per month. Months Requirements Capacity 1 2 3 4 115 90 48 78 119 75 150 160 50 120 55 a. By filling the following table, determine if there is a feasible solution to the problem or not. Cumulative requirement Cumulative capacity Answer by Yes or No. Feasibility check is satisfied: b. Determine a feasible L4L schedule using the lot-shifting technique. Fill the following table and compute the total cost corresponding to the obtained schedule r 90 48 78 119 75 r 160 50 120 55 150 Ending Inventory The total cost of the obtained schedule: $