Ci$$erci Bedo $($CB$)$ is a popular kebab restaurant in $$ukurambar$,$ Ankara. The restaurant is famous with its delicious $$ci$$er $3$i$3,$ but it also serves a variety of kebap and traditional Turkish cuisine including, adana kebap, d$$ner$,$ beyti, mant$$ etc. Recently, they have attracted an increasing number of customers which led to some capacity problems and waiting lines. The manager of CB is concerned with the waiting times of the customers and is looking for a solution.

During weekdays CB attracts a huge amount of demand during lunch time between $11$AM to $2$PM$.$ And, it is common for customers to wait in the line to be seating during this period. The company observed that, on average, they receive $50$ customers per hour during this busy period. The coe$$cient of variation of the interarrival times of the customers is $1.$

Currently, CB has $26$ tables to serve its customers $($assume that each table serves a single customer$),$ and on average one customer lunches for $30$ minutes with a standard deviation of $15$ minutes $($i$.$e$.,$ the coe$$cient of variation of the service times is $0\mathrm{.}5).$