The following information on Company X appears in a stock table.

A) Find the cost to purchase 930 shares of Company X at the day's closing price. Assume that the transaction is automated (online) and includes typical discount broker's commissions as follows, using Firm C: [ Select ] ["$30,763.05", "$30,788.05", "$30,768.05", "$38,148.60"]

B) Find the amount received by selling the same number of shares of Compay X at the day's close. Deduct the sales expenses which consist of the broker's commission from Firm A and SEC fee. Assume the transaction is Broker-Assisted. Recall that the SEC fee is based on $22.10 per $1,000,000. [ Select ] ["$30,720.47", "$30,721.15", "$30,740.47", "$30,745.47"]