3. Tim Toyne, owner of the Tim Toyne Toy Company is going to produce a special model toy truck called the T4 (short for "Tim Toyne's Toy Truck"). The T4 will be made on an assembly line consisting of 10 tasks. The volume requirement for this truck is estimated to be 480 units per day for an 8-hour shift. Pertinent data about the assembly process is given below. Task Standard Time Immediate (Seconds) Predecessors A 45 None B 30 A C 45 A D 45 B E 16 C, D F 16 E G 16 H 8 G I 9 G J 19 F, H, I