Consider the following process flowchart for a hypothetical quick service restaurant. Throughput times are listed in parentheses after the name of each activity. For all questions, answer using customers and/or minutes as your units of measure. There are no inventory buffers between any stations; instead, blocking occurs for upstream activities.

Take Order (6.1 minutes) ----> Prepare drinks (4.7 minutes) ----> Prepare food (7.9 minutes) -----> Assemble order (5.2 minutes) ----> Take payment (5.5 minutes).

Each activity uses its own workers & equipment. The Prepare Food activity can handle 2 customers at once; each of the others can handle 1 customer at a time. 1)

Refer to Scenario A. What is the utilization of the Assemble order stage? Pick the closest answer.

Group of answer choices

15%

25%

35%

65%

75%

85%

95%