Exercise-Newtown 55 5.5 The Product Life Cycle (PLC) 56 5.5. 1 Strategies for the differing stages of the PLC; 5.5.2 Problems with 56 PLC The Product Life Cycle-ExerciseExercise - Newtown 55 5.5 The Product Life Cycle (PLC) 56 5.5.1 Strategies for the differing stages of the PLC; 5.5.2 Problems with PLC 56 The Product Life Cycle - Exercise 57