please answer B

The figure below details the process flow for two types of customers who enter Barbara's Boutique shop for customized dress alterations. After step T1, Type A customers proceed to step T2 and then to any of the three workstations at T3, followed by steps T4 and T7. After step T1, Type B customers proceed to Step T5 and then steps T6 and T7. The numbers in parentheses are the minutes it takes to process a customer. a T3-a (15) a T2 (14) T4 T3-b (12) (18) TA (14) Type A or B T3-C (12) T7 (9) T5 (16) T6 (23) a. What is the capacity of Barbara's shop in terms of the numbers of Type A customers who can be served in an hour? Assume no customers are waiting at steps T1 or T7. 3 customers. (Enter your response rounded down to the next whole number.) b. If 40 percent of the customers are Type A customers and 60 percent are Type B customers, what is the average capacity of Barbara's shop in customers nor hour customers. (Enter your anonse rounded to twn decimal oincar) Enter your answer in the answer box and then click Chark Aneuer