Which of the following guidelines regarding territory management is most suitable?

A) Develop a routing plan that is based primarily on visiting new accounts.
B) Develop a routing plan that is based solely on potential sales volume.
C) Develop a routing plan that is based solely on geographical considerations.
D) Develop a routing plan that is based on a combination of potential sales volume and geographical considerations.
E) Visit only your best customers and ignore those with low potential sales.

D