Q-1 A-Discuss how did lean production evolve into a system of continuous improvement? (8 marks) B-. By using examples and diagrams, suggest TWO visual controls can be used in a lean production system and discuss how those visual controls can affect quality. KEY FORMULAS C D TC = + Basic EOQ Model CO Q 2 20,D lopt . EOQ Model with Noninstantaneous Receipt CD CO TC = Q Inventory Cost for Quantity Discounts CD C. TC = + + PD e 2 Reorder Point with Constant Demand and Lead Time R = dL Reorder Point with Variable Demand R = 2L + 2011 Fixed-Time-Period Order Quantity with Variable Demand Q = dit, + D) + 20 VI) + L-1 + 20 (-) 2C,D Qopt V c(:-)