Using the information below answer the questions that follows:

Activity Original Duration in Months Crash Duration in Month Original Cost in Rands Crash Cost in Rands

J 14 12   R10,000 R14,000

K 9 8    R17,000 R27,000

N 3 2    R25,000 R26,000

L 7 5     R14,000 R20,000

M 11 8   R27,000 R36,000

5.1 Imagine that this project has a project float of -3 month. Which activity or activities presented above would you crash to give a float of zero, assuming that the activities listed above represent critical path activities. (11 marks)

5.2 How much would it cost to crash this project? Give reason for your answer. (3 marks)

5.3 Discuss briefly other methods that could be used to shorten project duration (6 marks)