Final answer:
Both statements about work centers are true: standard values are used for planning operational tasks, and formula keys are included to assist in cost and resource calculations.
Step-by-step explanation:
The question relates to the concept of work centers in the context of production or operations management. Two key points about work centers have been brought up. Firstly, a standard value refers to a planned value used in the operation of a work center, such as the time estimated for the execution of a task. This is indeed true as standard values help in planning and controlling the workflow in a manufacturing or service provision environment.
Secondly, a work center does indeed contain formula keys which are used to assist in the calculation of costs, scheduling, and capacity requirements. These formula keys are critical as they allow for the proper allocation of resources, ensuring that work centers operate effectively and efficiently. Therefore, both statements provided about work centers are true and reflect their role in facilitating operations within a business