Question: $22$ of $42$

QID: $389[8$ Mark$]$

For Step $/$ Queue $1-$ Submitting papers: The average length of this queue is $20$ people. The average wait that a customer spends in the queue is $20$ minutes. There are two clerks who serve this line. When a customer moves to the front of the queue, you go to one of these two clerks. Once the clerk starts working on your papers, it takes the clerk $3$ minutes to check and accept your papers.

For Step $/$ Queue $2-$ Making a payment: Average length of queue $30$ people. Wait time $15$ minutes. There are four clerks who serve this line. When it is your turn, it takes $1$ minute and $30$ seconds for your payment to be processed.

For Step $/$ Queue $3-$ Receiving your license: Average length of queue $20$ people. Wait time $40$ minutes. There are four clerks who service this line. When it is your turn, it takes $6$ minutes to get your photo taken and license printed.

Which of the following provides the right interpretation of resource efficiency and flow efficiency? Note that this question is double the number of points compared to other questions.

A$.$ The resource efficiency is $100\%$ for the clerks for each line. The flow efficiency is a little more than $12\%$ across the three steps.

B$.$ The resource efficiency is $100\%$ for the clerks for each line. The flow efficiency is a little more than $20\%$ across the three steps.

C$.$ The resource efficiency is $50\%$ for line $1,100\%$ for line $2,100\%$ for line $3.$ The flow efficiency is about $14\%$ across the three steps.

D$.$ The resource efficiency is $100\%$ for the clerks for each line. The flow efficiency is $50\%$ for line $1,25\%$ for line $2,25\%$ for line $3.$

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