When Rubberstamp Productions, previously a small$-$time production house, grew in size, the first thing its chief executive officer $($CEO$)$ did was establish a set of guidelines that detailed all the principles, standards, and procedures to be followed in the company's line of business. The CEO set specific standards on topics ranging from treatment of coworkers to protection of the environment to maintenance of financial records. This scenario illustrates that the CEO developed a $\_\_\_\_\_.$

performance appraisal document

cognitive map

database of employee records

code of ethics