Which of the Following Best Describes the Goal for a Firm's

Which of the following best describes the goal for a firm's inventory and transportation costs?

A) Focus more on minimizing required inventory costs.
B) Focus more on minimizing required transportation costs.
C) Minimize the sum of inventory and transportation costs.
D) Maximize the difference between required inventory and transportation costs.
E) Set a level of transportation costs and minimize the required inventory costs.