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Activity Predecessor Normal Duration [days) Cost Slope (R/d] 1 A B D E F G Accelerated Duration days 1 1 5 5 12 12 10 2300 500 2500 6000 H 3 A 6 B 7 B 12 C 12 D, Dummy activity connecting 11 A (end) and G (start) E 3 F 6 G 5 G 7 H 4 8 LK 3 NM 2 1 6000 1000 1100 1000 c L M N o 2 3 4 6 4 5 2 1 000 5000 2200 2.2.1 Draw the project activity on are diagram. (5) 2.2.2 Identify the critical path and its duration (2) 2.2.3 Determine the minimum duration of the project, the acceleration schedule that will give a minimum additional cost to do so, and calculate the minimum additional cost. (24) 2 2.2.4 If R3000 per day of the R5000 per day fixed cost is not committed, calculate the duration and the minimum project cost if the sum of the normal cost of all the activities are R 200 000 (8)