Clear answer will be appreciated. Chapter 5, Inventory and Production Management in Supply Chains Edition 4 by Edward A. Silver, David F. Pyke and Douglas J. Thomas.

5.6' Consider an item with the following declining demand pattern: Period 1 2 3 4 5 6 7 8 9 10 Demand 600 420 294 206 145 101 71 50 35 25 Period 11 12 13 14 15 16 17 18 19 20 Demand 17 12 9 6 5 3 2 2 1 1 There is no further demand after period 20. A = $50 v= $2.50/unit r= 0.02 $1$/period Perform an analysis similar to that of Problem 5.4, but consider only the following cases: a) The Silver-Meal Heuristic (SM) b) The Least-Unit-Cost Heuristic (LUC) c) Heuristic 2 (H2) of Bookbinder and Tan (1985) d) The Wagner-Whitin Algorithm (WW)