Question $28$

$1$ pts

Better Buy is a company that specializes in building computers. Its production process is shown in the diagram below. After the appropriate parts are selected, the computer would be built by $1$ of the technicians. The user manual is printed separately and simultaneously with the testing process. The finished product would then go to one of the packaging machines that runs in parallel before being delivered to the customer.

What is the bottleneck of the system?

Picking Parts

Building

Testing

Printing Manual

Packaging