Charlie oversees all the operations of a firm, from purchasing to manufacturing to human resources to finance and accounting functions. Charlie is the ___ of the firm.

A) general manager
B) line manager
C) functional manager
D) team leader
E) director

A general manager is responsible for overseeing all operations in a firm and managing the overall direction of the organization. They have authority over multiple departments and functions and are accountable for ensuring that the company meets its goals and objectives. Therefore, Charlie fits the description of a general manager.