In the process of evaluating location alternatives, the transportation model method minimizes the:

With respect to a database, what term is used to describe an abstract representation of all of the information included in a data structure about a particular type of entity?

a. Entity Attribute b. Entity Class c. Entity Key d. Entity Model e. Entity Table

________ measures the percentage of profit earned on each sales dollar before interest and taxes but after all costs and expenses

A) Net profit margin B) Operating profit margin C) Gross profit margin D) Earnings available to common shareholders