Margaret is opening a small amusement park to give the Vallejo Six Flags some competition. She must decide whether to install 1 ride or 2 rides to start out. Each ride will allow her to service 100 customers per day. One ride will result in fixed costs of $2000 per day, while two rides will result in fixed costs of $3800 per day (these things are expensive!). Variable costs will be $20 per customer, and average revenue will be $45 per customer. 1. (1 point) Determine the break-even point for one machine. 2. (1 point) determine the break-even point for two machines. 3. (1 point) if estimated demand is 90 to 120 customers per day, how many rides should Margaret install?