4.8. Given the following partial product tree, explode, offset, and determine the gross and net requirements for components H,I,J,and K. There are other components,but they are not connected to this problem. The quantities required are shown in parentheses. The master production schedule calls for the completion of 60 Hs in week 3 and 80 in week 5. There is a scheduled receipt of 120 Is in week 2. There are 400 Js and 400 Ks available. All lot sizes are lot- for-lot.