Operations Management: Homework Assignment Due on $11$:$59$pm$,$ March $2$nd $,2025.$ Inventory Buildup & Little$$s Law$).$ McDonald$$s at Coit and Turnpike is operating from $9$am to $5$pm$.$ The restaurant can serve up to $100$ customers per hour. Customers arrive at the rate $120$ customers $/$ hour during the hours $9-11$am to grab McMorning, $200$ customers $/$ hour pour in during the peak hours of $11$am to $1$pm$,$ and for the lazy afternoon hours until the restaurant closes, only $20$ customers walk in per hour. $($a$)$ What is the average number of people waiting throughout the day? $($a$)$ What is their average waiting time?