A WMS module will be selected for a big supermarket. The alternative WMS module packages and their evaluations with respect to each criterion are as follows: E: Excellent; A: Average; W: Weak Modularity Functionality References Cost Importance weight $20\%30\%15\%35\%$ WMS Module $1$ W $(1)$ E $(3)$ A $(2)70$ WMS Module $2$ A $(2)$ A $(2)$ W $(1)90$ WMS Module $3$ E $(3)$ A $(2)$ E $(3)80$ WMS Module $4$ A $(2)$ E $(3)$ A $(2)100$ WMS Module $5$ E $(3)$ W $(1)$ E $(3)150$ Use the following techniques for obtaining the solution: a$.$ Lexicographic b$.$ Maximax method c$.$ Maximin method d$.$ Median ranking method