please show ur calculation steps

A company produces an end item ' E '. One unit of item ' E ' can be made by assembling 1 unit of A,1 unit of B, and 2 units of C. One unit of A is made of 1 unit of C and 2 units of D; one unit of B is assembled by using 2 units of M and 1 unit of N. On-hand inventories are 50 units of A and 45 units of C. Scheduled receipts are 50 units of A at the beginning of Week 1, 100 units of C at the beginning of Week 1, and 100 units of C at the beginning of Week 2 . Lead times for subassemblies A and B are 1 week, and lead times for other components are 2 weeks. Final assembly of E requires 1 week. 1. Fill in Table 1 to prepare a master production schedule for end item ' E ' using the fixed-periodof-two policy. The beginning inventory for E is 108 units; the forecast and promised customer orders for end item E are provided in this table. [4 marks] Table 1: MPS table for end item E in Question 1 2. Construct a product structure tree (i.e., a BOM chart). [4 marks]