Consider the details of a project as shown in the table below and answer the questions that follow. 2.4. Activity Hints: Cost/week A B C D E Week to decrease= Immediate predecessor(s) F G H A A B C E D F, G Crash Cost- Normal cost Normal time - Crash time Normal time Normal Crash 4 2 3 2 2 1 5 3 3 14 000 7 000 13 000 11 000 20 000 R85000 2.1. Draw the Activity on Arrow (AOA) network for the details represented in the table above. 2.2. Identify all the paths in the network and their respective total weeks. Duration (weeks) 4 4 6 C~ Crash time 2 2 1 5 Cost (R) Normal 10 000 6.000 4.000 A-2 B-1 1-2 Crash 11 000 9.000 6 000 18 000 [2] Which activities should be shortened to reduce the project's time by three (3) weeks? Show your workings. [2] iako 2.5 What would be the final total cost? [2+9] 4- [4] Cw=R124 000 - 8 000 25 000 18 000 29 000 RT24 000 Sum ecx ca) held wetter- [3]