+11 +16 477 +77 Stav 21.84 Question 28. Consider a four-echelon supply chain as shown below. The table summarizes the average weekly demand and weekly standard deviations of retailers. Lead times between successive partners are a constant of two weeks except between the retailer and distributor1, which is one week. Retailer Distributor 1 Distributor 2 Distributor 3 240 Wholesaler 210 Manufacturer Retailer 1 Distributor 1 Distributor2 order cost in$ 260 280 250 58 52 ** Distributor3 Complete the following table: Weekly demand Wholesaler 2 W Weekly demand 52 52 58 52 162 52 ** Wholesaler Weekly std. deviation 10 10 11 16 21.84 Weekly std. deviation 10 ** 11 16 ** Jaa 2 Service level 90% 92% 94% 96% 98% Distributor-1 Distributor-2 Equivalent lead time Distributor-3 Q The weekly holding cost in $ 1.2 1.1 1.3 1.0 0.9 1W Safety stock Retailer Average R inventory Weeks of supply 2.01 7 weeks 150.11 33.81 397. 108.93 5 weeks 16217 31.53 291.53 112.88 2.17 4 weeks 149.36 3410 266.19 108.78 1.88 2 weeks 157.99 39.60 143.60 118.60 2.28 Need to show all your explanations, formulas, substitutions, and answers with relevant units to Sin the wholesaler. D2:55=1.55x114 D3: SS-1.75161

Question 28. Consider a four-echelon supply chain as shown below. The table summarizes the average weekly demand and weekly standard deviations of retailers. Lead times between successive partners are a constant of two weeks except between the retailer and distributor 1 , Need to show all your explanations, formulas, substitutions, and answers with relevant units to the wholesaler. D2:55=1.55114 D3:5s =1.75 vien