Figure 15-2 the Following Information Relates to Cranmore Manufacturing

Multiple Choice

Figure 15-2 The following information relates to Cranmore Manufacturing:
To produce a unit of product:
There is a wait time of 5 minutes before the cutting department begins a batch, 15 minutes between the cutting and welding departments, a move and pre-wait between welding and polishing of 12 minutes, and a move and pre-wait between the polishing and finishing departments of 8 minutes.
Refer to Figure 15-2. If Cranmore produces in batches of 10 units, how much time would have elapsed by the time the 10th unit is produced under a manufacturing cell environment (assuming the cell is processing continuously) ?

A) 60 minutes
B) 65 minutes
C) 150 minutes
D) some other amount