Genevieve Girard owns and operates a restaurant. Her fixed costs are $21,000 per month. Lunches and dinners are served. The average total bill (excluding tax and tip) is $18 per customer. Giraud's present variable costs average $9.60 per meal.

lEx.1 _| Genevieve Giraud owns and operates a restaurant. Her fixed costs are $21,000 per month. Lunches and dinners are served. The average total bill (excluding tax and tip) is $18 per customer. Giraud's present variable costs average $9.60 per meal. 1. How many meals must be served to attain a profit before taxes of $8,400 per month? 2. What is the break-even point in number of meals served per month? 3. Giraud's rent and other fixed costs rise to a total of $29,400 per month. Assume that variable costs 0 rise to $11.50 per meal. If Giraud increases her average price t 22, how many meals must she now pserve to make $8,400 profit per month? L , 4 Giraud's accountant tells her she may lose 10 percent of her customers " if she increases her prices to a $22 average price. If this happens, what *- would be Giraud's profit per month? Assume that the restaurant hadf _ V ( O _. \ C been serving 3,500 customers per month. O To help offset the anticipated 10 percent loss of customers, Giraud hires a pianist to perform for four hours each night for $2,000 per month. Assume that this would increase the total monthly meals from 3.150 to 3,450. Would Giraud's total profit change? By how much