MBA $512$ Homework Assignment $$ H$3-$B

Chapter $13-$ Resource Management

Enter Student Name:

PROBLEM #$5$

$"$ A new surgical facility called Cut & Sew is opening in neighborhoods throughout the United States.

They are job shops that handle a variety of outpatient surgical procedures. Their process is set up so

that one doctor cuts and the other sews. They have five patients to sequence for tomorrow. Since the

weather forecast is for a cool and sunny day, they would also like to play golf tomorrow. They want to

sequence their patients with the objective of minimizing the time from the beginning of the first job

until the finish of the last job. The patients and estimated times are as follows:

Patient Cut Time $($hours$)$ Sew Time $($hours$)$

$"$

Patient Cut Time $($hours$)$ Sew Time $($hours$)$

A $2\mathrm{.}32\mathrm{.}8$

B $2\mathrm{.}53\mathrm{.}0$

C $2\mathrm{.}01\mathrm{.}5$

D $0\mathrm{.}61\mathrm{.}0$

E $3\mathrm{.}62\mathrm{.}6$

ANSWER $($You must show all formulas, calculations, and "highlight" corrrect Answers$)$

a$.$ Sequence the patients using Johnsons method..state the schedule for each operation

b$.$ Determine the minimum Makespan.