What is the main reason that relative value units (RVUs) often are used in health care?

A. Not all standard units show up in a standard treatment protocol.

B. RVUs are the optimal way to estimate the costs of the resources consumed by cost objects such as products and customers.

C. RVUs enable more accurate pricing.

D. Some departments or cost centers may have large numbers of outputs that make individual costing very time-consuming and expensive.