A product has a four-year life-cycle

. The costs in each year are shown below: Year 1 2 3 4 R&D 300 Design 200 Product Cost 75 90 90 Marketing Cost 70 50 30 Distribution Cost 20 27 24 Customer Service Cost 15 23 30 3.1 Calculate the total life-cycle cost and categorise them into each type of cost and categorise them into each type of cost. (Show all calculations) (6) 3.2 Discuss the 5 phases of a product life cycle? (5) 3.3 During what phase can most of the cost be incurred? (2) 3.4 Why might a product cost go into decline? (2) [