hey *fake smiels* my companion broke up with me because i was hanging out with my cusin *my ears goes down* i just want someone to stay by my side and make me happy again im always depressed now...(free points)

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).