Exercise $1\mathrm{.}5$Use the menu found on the last page to complete the sales data in exercise $1\mathrm{.}5$ for a typical Friday night.Find the following values:a$)$ average chequeb$)$ the sales mix for each menu itemc$)$ average sales per server, based on $8$ servers working d$)$the seat turnover for the meal period, based on $140$ available seatsExercise $1\mathrm{.}6$Based on the information shown in this exercise, complete the chart and then find the following:a$)$ Total Sales per Serverb$)$ Total Sales per Seat c$)$Average Chequed$)$Average Sale per ServerTurnover RateCovers per Hourg$)$Covers per Server