i need part c

Molissa's Photo Stutio ollers both individual and group portrait ogtons. The process flow ciagram below shows that at customers must first register and then pay at one of twe cashiens. Then dopending en ir thoy want a single or group portrait they go to dillerent rooms. Finally everyone picis up their own filahed portrat. a. How long, on average, does it take to complete the ontire process tor a group portrain? 38 minutes. (Eniter your fasponse as an integer.) b. What singlo activity is the bectieneck for the entire process, assuming the process recoives equal amounts of beth groups and individuals? c. What is the capacity of the botlieneck per hour? The capesity of the bottleneck for individuals is customers and the capacity of the botteneck for groups is groups. (Enteryour fesgonsos as integera)