Brent, a trader, wants to buy 1,000 shares of XYZ stock, while a second trader, Amara, is willing to sell 1,500 shares of the same stock. Unfortunately, Brent and Amara dont know one another and must complete their transactions using the stock exchanges market-making dealer. XYZs market maker is willing to sell her shares for $23.45 per share and purchase additional shares for $22.75 per share.

1. Bid price: Ask price: Bid-ask spread:

2. If the market maker is willing to purchase the entire block of 1,500 shares from Amara and, from that block, resell 1,000 shares to Brent, then the market makers net profit from Brents transactionexcluding any inventory effectswill be _________