$5$

points

Time Remaining $2$ hours $35$ minutes $35$ seconds$02$:$35$:$35$

Item $3$

Time Remaining $2$ hours $35$ minutes $35$ seconds$02$:$35$:$35$

Service guarantees can be used at the $\_\_\_\_\_\_\_\_\_\_$blank to focus the firm's delivery system on the things it must do well to satisfy the customer.