$5\mathrm{.}9$ Women$$s retailer$-$Sales force $($use Logical Decisions$)$

Harry Target is the owner a small sized mid$-$level retailer of women$$s clothing. Annual per store sales is $$4\mathrm{.}5$ million. He is thinking about the quality of the people who will service customers. If he hires more experienced sales people, the buying experience should be better. However, because each sales rep spends more time per customer, the average waiting time to be serviced will increase. The relevant data are presented below $($Table $5\mathrm{.}26).$

a$.$ Create a goal hierarchy.

b$.$ Create a data matrix.

c$.$ Assign weights to the measures

d$.$ Calculate the utility score and find the best alternative