Final answer:
The degree of operating leverage is calculated as (S – TVC) divided by (S – TVC - FC), where S represents sales, TVC represents total variable costs, and FC represents fixed costs.
Step-by-step explanation:
The correct definition of the degree of operating leverage is option b. It is calculated as (S – TVC) divided by (S – TVC - FC), where S represents sales, TVC represents total variable costs, and FC represents fixed costs.