$[10$ points$]$ Which business function is responsible for each of the following and how operations interfaces with it$?$

A$.[2$ points$]$ Assessing customer needs and wants

B$.[2$ points$]$ Control and decision$-$making tools

C$.[2$ points$]$ Costs of labor, materials, overhead, etc.

D$.[2$ points$]$ Contracts with employees, customers, suppliers, etc.

E$.[2$ points$]$ Recruitment and training