Worthington Hills grocery store has five regular checkout lines and one express line (12 items or less).

Based on a sampling study, it takes 11 minutes on the average for a customer to go through the regular line and four minutes to go through the express line.

The store is open from 9 a.m. to 9 p.m. daily.

a. What is the store’s maximum capacity (customers processed per day)?

b. What is the store’s capacity by day of the week if the five regular checkout lines operate according to the schedule below (the express line is always open)?

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Hours/ Day 9-12 a.m. 12-4 p.m. 4-6 p.m. 6-9 p.m. Mon Tue Wed Thur 1 1 1 1 2 3* 4 AWNL 2 3 4 AWNL 2 3 4 ~3 4 2 3 4 Fri Sat Sun 2 Emmin 3 3 5 5 5553 421