Modelling and Simulation in Engineering

Research Article

A Perishable Inventory System with Postponed Demands and Multiple Server Vacations

Figure 1

A three-dimensional plot of the cost function. 𝜆 = 1 4 ,    𝜇 = 4 ,    𝛾 = 1 . 2 ,    𝛽 = 1 . 3 ,    𝛼 𝑖 = 𝑖 ∗ 𝛼 ,    𝑖 = 1 , 2 , … , 𝑁 ,    𝛼 = 4 ,    𝑝 = 0 . 8 5 ,    𝑐 ℎ = 0 . 3 ,    𝑐 𝑠 = 1 5 ,    𝑐 p r = 0 . 3 ,    𝑐 s h = 5 , 𝑐 𝑝 = 3 .
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