Available information:

A demand of 240 banquet attendees can be expected at a dinner plate price of $75.00 each. A demand of 390 banquet attendees can be expected at a dinner plate price of $50.00 each.

Restaurant The Hope offers a service with a fixed cost of $1,800 and a marginal cost of $40 for each plate.

Restaurant Two Brothers offers a service with a fixed cost of $3,100 and a marginal cost of $20 for each plate.

Costs for both offers include the food, drinks, plates, glasses, utensils, tablecloths, and crew.

To ensure the event will achieve its goal, the organizing committee insists the tickets be sold for no less than $50. All profits will go to support the students of the chapter.

Additional spontaneous donation will be accepted the night of the Festival dinner.. Studies estimate that 5% will give $5, 15% will give $20, 20% will give $30, 8% will give $100, and 2% will give $200.

Question

9. On average, how much can you expect to receive in spontaneous donations for each banquet attendee? (Determine the per person expected value (weighted average) of donations.)

On average, the expected value of spontaneous donations is $_____________ per attendee.