Five Jobs Are Waiting for Processing Through Two Work Centers

question 124

Multiple Choice

Five jobs are waiting for processing through two work centers. Their processing time (in minutes) at each work center is contained in the table below. Each job requires work center Sigma before work center Delta. According to Johnson's rule, what sequence of jobs will minimize the completion time for all jobs?
$$\begin{array} { | c | c | c | } \hline \text { Job } & \text { Sigma } & \text { Delta } \\\hline R & 40 & 10 \\\hline \mathrm { S } & 25 & 30 \\\hline \mathrm { T } & 50 & 20 \\\hline \mathrm { U } & 35 & 35 \\\hline \mathrm { V } & 55 & 15 \\\hline\end{array}$$

• A) R-S-T-U-V
• B) S-V-T-R-U
• C) S-U-T-V-R
• D) V-R-U-S-T
• E) none of the above

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Definitions:

De Jure

Pertaining to law or legal situations, often used to describe something that is legally recognized or established by law.

De Facto

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Incorporators' Addresses

The physical or mailing addresses of the individuals who file the articles of incorporation, legally founding a corporation.

Defective Corporation

A corporation that has not completely complied with all legal requirements for incorporation, but may still operate as a corporation under certain conditions.