1. When a management training company prices its seminar on management techniques at $400 per person, 1000 people will attend the seminar. The company estimates that for each $5 reduction in price, an additional 20 people will attend the seminar. How much should the company charge for the seminar in order to maximize its revenue? What is the maximum revenue? A: charge $325 per person for $422,500 in revenue 2. For an item, if the price is $10, its monthly sale is 27,000. When price was lowered to $8, the monthly sale jumps to 33,000. How should the price be set to maximize revenue? And what is the maximum revenue? A: $9.50 per item for $270,750 in revenue 3. A 300room hotel in Las Vegas is lled to capacity every night at $80 a room. For each $1 increase in reservation, 3 fewer rooms are reserved. If each room costs $10 to service per day, how much should the management charge for each room to maximize prot? What is the maximum prot? A: charge $95 per room for $21,675 in prot