KomCam Scanner Company (KSC) is an expert in scanners designing and manufacturing. This year they designed two models of handheld scanners OM-33 and OM-51. Each OM-33 is made of 1 unit of D, and 2 units of C, while each OM-51 is made of 3 units of D, one unit of C, and 2 units of E. Each unit of C is composed of 2 units of D. Each unit of E is composed of 3 units of C. Lead Times for OM-51, C, D and E are two weeks, whereas for OM-33 is three weeks. Currently, KSC has 15, 230, 640, and 20 respective units of OM-33, C, D, and E as beginning inventories. However, KSC has no units of OM-51 on hand. KSC is scheduled to receive 480, 240, and 360 units of D in weeks 1, 4, and 7 respectively: 200 units of C in week 6, 80 units of E in week 5. A minimum of 340, and 60 lot sizes are used for C, and E respectively, while OM-33 and OM-51 use L4L lot sizes, and a multiple of 210 lot size is used for D. Demand for OM-33 are 45, 120, and 90 in week-6, week-8, and week-9 respectively, while demand for OM-51 is 20, 105, 80, and 25 in week-5, week-7, week-9 and week-10 respectively. Item C is a spare used in handheld scanners and it has an independent demand of 105 units in wees 9. a. Construct/Draw the bill of materials (low-level coded product structure tree/s) of the finished goods. Make sure to show the low-level code of each item in your product structure tree? b. Determine when the orders should be released for OM-33, OM-51, C, D, and E, and the size of those orders. Develop the MRP planning schedule