maam i have a doubt... like in this question 1 part (ii) , we recalculated the critical path,FF,compression...... but we havent changed the slope??? does that slope column remains same???
Yes, slope remains same. Because slope is per day cost. So if an activity is reduced by two days, then we multiply slope of that activity by two days. Slope of an activity is not dependent on other activities!! On the other hand, reduction in two days change network Earliest/ latest time calculations so it changes critical path/ FF, as time calculations were depending on preceding activities. Hope it solve your doubt.
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maam i have a doubt... like in this question 1 part (ii) , we recalculated the critical path,FF,compression...... but we havent changed the slope??? does that slope column remains same???
Yes, slope remains same. Because slope is per day cost. So if an activity is reduced by two days, then we multiply slope of that activity by two days. Slope of an activity is not dependent on other activities!!
On the other hand, reduction in two days change network Earliest/ latest time calculations so it changes critical path/ FF, as time calculations were depending on preceding activities.
Hope it solve your doubt.
Man won't we multiply the optimal costing rates by 2 as we have reduced the days by 2 in the last optimization?