An Inventory Model with Price and Quality Dependent Demand Where Some Items Produced Are Defective

Table 4

Optimum results and hessian value.

𝑟^∗	𝑘^∗	𝑡^∗1	ANR^∗	ANR𝑡1𝑡1	ANR𝑘𝑘	ANR𝑡1𝑘	𝐻
1	2.1263	0.3689	781.98	−7571.7	−5120	−1919.52	3.5𝑒 + 07

Suffix “*” in ANR indicates partial derivative with respect to “*”. “𝐻” stands for the hessian at the optimal values of the decision variables.