please i need help with finding the question number 1

You are responsible for planning a fund raising for your company's charity and scholarship foundation. This year it involves a Super Bowl party at the local country club. This means that you need to estimate the amount of food to have and how many people you can serve. You know that in the past, an average of 82 people have showed up, each paying $40 to cover the food and beverage costs, as well as a donation to the scholarship fund. Examining the problem, you determine that the cost of the food and beverages averages $15.65 per person. You also estimate that the standard deviation of attendance (don't we all think this way) is about 135 people. Any food left over is given to a local food bank, earning an average of $1.25 in tax benefits. [1] Based upon this information, what service level should you use for planning