Given the following calculate (a) cost using a level production plan, (b) cost using a chase aggregate plan, and identify the lowest cost option. In the level production plan backorders are allowed but for each unfilled order it costs the company S10/unit. The employees work an 8 hour day and overtime is not allowed Demand Period 1240 Initial Emplo Period 2 235 Capacity/employee 40 Period 3 265 Hourly cost/emploveel $18 Period 4220 nventory Holdin Period 5220 Shortage Cost Period 6 260 Hiring Cost $10 $230 S190 Firing Cost a) A-5834, B-5472, C level b) A-5472, B-5834, C- level c) A-5834, B-5472, C chase d) A-5472, B-5834, C- chase e A-5834, B-5472, C either