QUESTION $2$

$(20$ ?marks $)$

With reference to the table below, determine the activities that are on the critical path and the expected time in which the project will be completed.

$\backslash$ table $[[$ Activity $,$ Preceding, $\backslash$ table $[[$ Optimisti $],[$ cTime $]],$ Probable Time,Pessimistic Time $],[$ A $,-,7,10,19],[$ B $,$ A $,2,2,8],[$ C $,$ A $,8,12,16],[$ D $,$ A $,3,5,10],[$ E $,$ B $,4,6,8],[$ F $,$ B $,6,8,10],[$ G $,$ C $,$ ?F $,2,3,8],[$ H $,$ D $,2,2,16],[$ I $,$ H $,6,8,14],[$ J $,$ G $,$ ?I, $4,6,8],[$ K $,$ E $,$ ?J $,2,5,4]]$