Ps.74 bell computer is planning to launch a new high-end server. nine steps or tasks are required to assemble this computer. daily demand is expected to be 90 units and there are three 8-hour shifts available each day to meet this production quota.

task

req'd time (in minutes)

predecessor

a

12

none

b

13

a

c

5

b

d

4

b

e

13

a

f

6

c, d

g

7

f

h

11

e

i

6

g, h

what is the total time, in minutes, to produce one server?

what is the takt time (in minutes) for this production line? (your answer should be a whole number.)

what is the theoretical minimum number of workstations required for this production line? (round up your answer to the nearest whole number.)

after assigning task a to workstation 1, which task (or tasks) should you assign to workstation 2? (in the field below, write the number that corresponds to your answer. do not put a period after the number.)

b

c

d

e

b or e

c and d

suppose you assign task b to workstation 2, which task (or tasks) should you then attach to workstation 3? (in the field below, write the number that corresponds to your answer. do not put a period after the number.)

e and h

e

e or c, d, and f

c and d

assume you assign tasks c, d and f to workstation 3, task e to workstation 4, which task (or tasks) should you assign to workstation 5?

g and h

g and i

h and i

h

what is the cycle time (in minutes) for this production line?

what is the overall efficiency for this production line? (percentage)