Question: pls. answer question number 2-4 2:How does Program Evaluation and Review Technique (PERT) works? enumerate the steps associated with the Program Evaluation and Review Technique

pls. answer question number 2-4
2:How does Program Evaluation and Review Technique (PERT) works? enumerate the steps associated with the Program Evaluation and Review Technique and kindly explain how it works.? 3:What are the purposes of aggregate planning and how it differs from master production schedule? enumerate the purpose of aggregate planning and explain why it is different to master production schedule? 4: Q/R and Periodic Inventory Systems: How they differ? differentiate Q/R and Periodic Inventory Systems? Q = Quantity ordered (in units); order quantity R = Reorder point in units)Step by Step Solution
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