A$.$ A cost management system is system of reporting costs to management. The purpose of a CMS is to allow managers to make informed decisions. goods manufactured $($or purchased$)$ for external reporting.

C$.$ A cost management system is collection of tools and techniques that measures profits for external reporting. The purpose of a CMS is to provide financial information for investors and creditors.

D$.$ A cost management system is system of measuring profitability. The purpose of a CMS is to assist management in making pricing decisions.