Robot Corp. reports the recent month$$s activities and necessary time to complete

activities averaged over all jobs from the prior month:

Time customer order is placed to time order is received by manufacturing $4$

Time order is received by manufacturing to time production begins $3$

Inspection of completed order $1$

Receiving and stocking direct materials $2$

Manufacturing time $8$

Machine set$-$ups $2$

Move time $1$

a$.$ Calculate the manufacturing cycle time for the recent month.

b$.$ Calculate the manufacturing cycle efficiency $($MCE$)$ for this period.