Problem $11-23($Algorithmic$)$ being considered:

System A: A single$-$server operation in which one employee fills the order and takes the money from the customer. The average service time for this alternative is $2$ minutes.

System B: A single$-$server operation in which one employee fills the order while a second employee takes the money from the customer. The average service time for this alternative is $1\mathrm{.}5$ minutes. alternative is $2$ minutes for each server.

The following cost information is available.

$-$ Customer waiting time is valued at $\backslash (\backslash$$ $34\backslash )$ per hour to reflect the fact that waiting time is costly to the fast$-$food business.

$-$ The cost of each employee is $\backslash (\backslash$$ $6\mathrm{.}5\backslash )$ per hour.

$-$ To account for equipment and space, an additional cost of $\backslash (\backslash$$ $22\backslash )$ per hour is attributable to each server.

What is the lowest$-$cost design for the fast$-$food business? Round your answers to the nearest cent.

Note: Use Po values from Table $11\mathrm{.}4$ to answer the questions below.

System B $\backslash (\backslash$checkmark $\backslash )$ is the most economical.

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Partially correct