A production line at V. J.​ Sugumaran's machine shop has three stations. The first station can process a unit in 9 minut

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A production line at V. J.​ Sugumaran's machine shop has three
stations. The first station can process a unit in 9 minutes. The
second station has three identical​ machines, each of which can
process a unit in 24 minutes​ (each unit only needs to be processed
on one of the three ​machines). The third station can process a
unit in 7 minutes.
_______ is the bottleneck​ station, with a bottleneck time
of enter your response here _____ minutes per unit ​(enter your
response as a whole​ number).