Group technology and processing cycle efficiency Ray Brown's company, Whisper Voice

Systems, is trying to increase its processing cycle efficiency $($PCE$).$ Because Ray has a very

limited budget, he has been searching for a way to increase his PCE by using group technology.

One of Ray's manufacturing managers, Maria Lopez, has been studying group technology and

claims that with minimal cost that includes downtime in the operation, she can rearrange existing

machinery and workers and improve PCE. Ray is quite skeptical about this and decides to allow

Maria to rearrange a small part of his operation. For Ray to be satisfied, he has stated that PCE

must increase by $12\%.$ PCE data before and after the rearrangement are as follows:

Does the change in PCE meet Ray's requirement? Why or why not?