What should operation costs reflect in a restaurant?

The most appropriate choice regarding what operation costs should reflect in a restaurant is centered on how various expenses contribute to the overall financial picture of the establishment. Operation costs encompass a range of expenses that include food costs, labor, rent, utilities, and other variable and fixed expenses necessary to run the restaurant efficiently.

Choosing an option focused purely on revenue, like the total revenue generated, would overlook the critical aspect of balancing income with expenses, which is essential for profitability. Similarly, only considering an exact register total doesn't take into account ongoing operational expenditures that affect a restaurant's financial health.

Focusing solely on the percentage of food costs is also too narrow since operation costs include a broader range of elements than just food. Lastly, while labor hours worked are essential in calculating labor costs, they are just one component of total operation costs.

In summary, operation costs should reflect a comprehensive view of all expenses incurred in running a restaurant to understand profitability and financial performance accurately.