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

Table 2

Optimum results and hessian value.

𝑟^∗	𝑘^∗	𝑡^∗1	ANR^∗	ANR𝑡1𝑡1	ANR𝑘𝑘	ANR𝑡1𝑘	𝐻
0.54	2.33788	0.31657	289.55	−2042.03	−908.223	−548.01	1554309.79

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