Christmas Express makes wreaths in batch sizes of 12. The cutting & assembly process takes 7 minutes per wreath and the decorating process time is 10 minutes per wreath. It takes 12 minutes to move the wreaths from the cutting & assembly process to the decorating process.
a. Compute the value-added, non-value-added, and the total lead time of the wreath process.
| Value-added lead time |
|
| Non-value-added lead time: |
| Move time |
|
| Within batch wait time |
|
| Total lead time |
|
b. Compute the value-added ratio. Round to one decimal place.
%