f) When do you think that this project can be completed? g) Is there any slack time for this project? If yes, what is the total slack time of this project? h) Draw the Gantt chart of this project. NB: make use of the expected time of each activity. [33] QUESTION 3 A retail store has decided to put on a "special sale" one of its quick perishable items during the end of every week. The store has estimated that out of its 5000 weekly customers, on average 60% of them will buy that item, with a standard deviation of 5 . The cost of the item is R50, and the selling price is R110. Any remaining item will be sold at R30 the first day of the following week. a) Compute the optimum stock level for the item. b) What is the stockout risk for this optimum stock? [10]