What is the minimum number of charge lines with instruction type "standard" that you must set up?

You want to set up charge calculation for freight orders. Valid charges should consist of a based on the distance and gross weight of the freight order, and a supplemental charge per container that is included in the freight order. Multiple containers are allowed for each freight order, and the charge is based on the container type can be small, medium or large.

What is the minimum number of charge lines with instruction type "standard" that you must set up?
A . 2
B . 3
C . 4
D . 5

Answer: A