| i | = | the service (i.e., current procedural terminology [CPT] code or DRG). |
| j | = | the insurer. |
| n | = | the volume of the service. |
| F | = | the payment or fee for the service. |
| C | = | the cost of the service. |
| i | = | the service (i.e., current procedural terminology [CPT] code or DRG). |
| j | = | the insurer. |
| n | = | the volume of the service. |
| F | = | the payment or fee for the service. |
| C | = | the cost of the service. |