Which of the Following Phrases Best Defines a Production Plan

Which of the following phrases best defines a production plan?

A) The plan for the production and purchase of the components used in making the items in the master production schedule
B) The broad direction of the firm, the kind of business-product lines, and markets the firm wants in the future
C) The quantities of each product group that must be produced in each period, desired inventory levels, resources required in each period, and the availability of resources needed
D) The flow of work through the factory through input/output analysis