a. How long. on average, does it take to complete the entife process for a group portrait? minutes. (Enter your response as an integer.) b. What single activity is the botteneck for the entire process, assuming the process receives equal amounts of both groups and indivibuals? c. What is the capacily of the botteneck per hour? The capacily of the bottleneck for individuals is customers and the capacity of the bottleneck for groups is groups. (Enter your responses as infegers.)