PS.72 A toy manufacturer wants to produce and sell an upscale toy NASCAR racer. Eight steps or tasks are required to assemble these high-end toy cars. Daily demand is 64 units and there are 600 minutes available each day to meet this production quota.

Task    Req’d Time (in minutes)    PredecessorA7NoneB4NoneC5A, BD9CE4DF4EG8EH9F, G

A. What is the total time (in minutes) to produce one car?

B. What is the takt time (in minutes) for this production line? (Display your answer to a one decimal place.)

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

D. Which task should you assign to workstation 1?

E, Which 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 and C

C and D

E and F

C and F

F. Given your task assignments to workstations, what is the actual number of workstations required?

G. What is the cycle time (in minutes) for this production line?

H. What is the combined idle time (in minutes) for this production line?

I. What is the overall efficiency for this production line? (Input your answer as a percentage. Display your answer to two decimal places.)