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Problem 4: A and B are two different products. Product A is consisted of 3 units C and 2 units D. For D, one unit F is needed. Product B is consisted of, 2 units E and 2 units F. There are demands for the product A in the week of 7, 1300 units, 1000 units in the 12th week and for B, 1600 units in the 11th week, and 300 units in the 8th week. The inventory on hand values for A,B,C,D,E,F are 300,150,200,350,250,200 units and the lead times for the parts A,B,C,D,E,F are 2,1,1,2,2,1 weeks. Make the MRP plan in the following empty sheet