Clearvoice is a wireless telephone monopolist in a rural area. There are 100 consumers in the market, each of whom has a monthly demand curve for wireless minutes of Qd = 100 - 100p, where P is the per-minute price in dollars. The marginal cost of providing wireless service is 10 cents per minute. If Clearvoice charges 40 cents per minute, how large a fixed fee can it charge and still persuade consumers to buy? What is its profit from each consumer? Its total profit? What if the firm charges 10,20,30 cents per minute?