Given the following product tree, explode, offset, and determine the gross and net requirements. All lead times are one week, and the quantities required are shown in parentheses. The master production schedule calls for 100 As to be available in week 5.

There are 20 Bs available. All other on-hand balances = 0.

A B(2)
D(1) E(1)
C(1)
D(2) F(1) LO.1