Thoreau co. is planning a fundraiser to benefit various environmental causes. all proceeds in excess of costs will be donated to these causes. the planning committee has developed the following budget for the event: ballroom rental: 1900 entertainment: 2500 printing: 500 + 7 per guest food: 25 per guest decorations and favors: 800 + 3 per guest a) write the equation for the cost function, based on the budget developed by the planning committee. b) if thoreau co. charges 200 per ticket, how many people would have to attend the event in order for the event to break even? c) if thoreau co. charges 200 per person and 3000 people attend the event, how much will thoreau donate to the environmental causes?