Task

Performance

Time$($mins$)$

Predecessors

Task

Performance

Time$($mins$)$

Predecessors

A

$44$

minus$$

G

$55$

F

B

$66$

minus$$

H

$77$

$$D$,$ E

C

$99$

A

I

$11$

H

D

$77$

$$A$,$ B

J

$77$

E

E

$22$

B

K

$33$

$$G$,$ I, J

F

$44$

C

This exercise only contains parts$$ b$,$ c$,$ d$,$ e$,$ f$,$ and g$.$

Part $2$

$$b$)$ For the given daily $(2424-$hour$)$ production rate of $120120$units$,$ the highest allowable cycle time$=1212$ minutes $($enter your response as a whole number$).$

Part $3$

$$c$)$ If the cycle time after allowances is given as $1010$minutes$,$ then the effective daily $(2424-$hour$)$ production rate$=144144$ units $($enter your response as a whole number$).$

Part $4$

$$d$)$ For the given $1010-$minute cycle time after$$ allowances, the theoretical minimum number of workstations$=66($round your response up to the next whole$$ number$).$

Part $5$

$$e$)$ Using the longest assigned task time of all of the workstations and $66$workstations$,$ the operating efficiency of the assembly line$=$ enter your response here$\%($enter your response as a percentage rounded to two decimal$$ places$).$