HP Qs Question 2 (10 marks) Apple Inc. is about to introduce a new product. Below listed the required activities in producing the new product with the duration for each activity. Immediate Normal Crash Time Normal Crash Cost Activity predecessor(s) Time (days) (days) Cost (S) ($) A 11 8 $320 $380 B 6 4 $150 $170 A 8 6 $100 $110 D A, B 5 3 $200 $280 E C,D 10 7 $250 $400 F E 12 9 $230 $320 Use the Normal Time to construct the project network. What is the project completion time? (b) Explain how Apple Inc. could shorten the whole project duration by 6 days with minimum cost. What is this corresponding minimum cost of the whole project