Which definition best describes Account Planning?

Which definition best describes Account Planning?

A.
a prescribed set of activities and tasks to help plan an account for a customer opportunity within the plan phase

B.
a minimum set of activities and tasks required to successfully qualify and plan for a customer opportunity within the
plan phase

C.
a prescribed set of activities and tasks to help plan an account for a customer opportunity within the prepare phase

D.
a prescribed set of activities and tasks to help identify and qualify an account for a customer opportunity within the
prepare phase

E.
a prescribed set of activities and tasks to help identify and qualify an account for a customer opportunity within the
plan phase