Exhibit 13.1
The following questions are based on the output below.
A store currently operates its service system with 1 operator. Arrivals follow a Poisson distribution and service times are exponentially distributed. The following spreadsheet has been developed for the system. 
-Which of the following is the typical operating characteristic for average number of units in a queue?
Definitions:
Revenue
The total income generated by a company from its usual business activities, usually from the sale of goods and services to customers.
Spending Variance
A financial metric that indicates the difference between the budgeted or planned amount of spending and the actual amount spent.
Flexible Budget
A budget that is adaptable and varies according to the changes in activity level or volume.
Net Operating Income
The profit generated from a company's core business operations, excluding deductions of taxes and interest.
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