A monopolist sells 2,000 units for $20 each. The total cost of 2,000 units is $30,000. If the price falls to $19, the number of units sold increases to 2,100. The total cost of 2,100 units is $30,075. When the monopolist moves from a price of $20 to $19, the marginal revenue will:

On july 7, you purchased 500 shares of wagoneer, inc. stock for $21 a share. on august 1, you sold 200 shares of this stock for $28 a share. you sold an additional 100 shares on august 17 at a price of $25 a share. the company declared a $0.95 per share dividend on august 4 to holders of record as of wednesday, august 15. this dividend is payable on september 1. how much dividend income will you receive on september 1 as a result of your ownership of wagoneer stock