Which of the Following Defines Materials Requirement Planning

Which of the following defines materials requirement planning?

A) An approach to inventory that seeks to eliminate excess waste and reduce inventory to a minimal level.
B) A series of techniques designed to eliminate waste from manufacturing and service processes and provide greater customer value.
C) The active management of the distribution of materials throughout a system.
D) A service approach that hopes to build a long-term and sustainable relationship with customers that has value for both the customer and the company.
E) A computerized inventory control system that schedules the production of goods and takes into consideration the available and the required inventory.