A Nasdaq-listed stock currently shows an inside market of 15.50 - 15.75, 10 x 10. A broker-dealer that is not a market maker in the stock simultaneously receives orders from two customers, one to buy 500 shares of the stock at the market, the other to sell 500 shares at the market. Rather than send the orders to a market maker for execution, the broker-dealer matches the two orders with one another at 15.625, and charges each client a commission. This transaction is:

On january 2, well co. purchased 10% of rea, inc.’s outstanding common shares for $400,000, which equaled the carrying amount and the fair value of the interest purchased in rea’s net assets. well did not elect the fair value option. because well is the largest single shareholder in rea, and well’s officers are a majority on rea’s board of directors, well exercises significant influence over rea. rea reported net income of $500,000 for the year and paid dividends of $150,000. in its december 31 balance sheet, what amount should well report as investment in rea?