Production manager marvin mcnealy wants to link all the divisions and subsidiaries of his firm's computerized functions into a single, integrated software program that uses a single database. in order to achieve this goal, marvin could make use of:

a) enterprise resource planning.

b) manufacturing resource planning.

c) program evaluation and review techniques.

d) gantt charts.

Enterprise resource planning

Explanation:

An enterprise resource system is a software suite that integrates, automate and streamlines the business processes and operations.

By acquiring an enterprise resource system, the production manager Marvin McNealy will be able to:

1. Improve efficiency and provide varied data analysis of all related     business operations.

2. Customize the ERP to meet requirements of the various divisions.

3. Improve business operations  through standardization of workflows across all divisions.

4. Improve data integrity, analysis and security across the divisions.

5. Ensure comprehensive visibility and reporting across all the divisions.