a. Suppose that your total transaction costs for selling the 1,600 shares of Twitter in December were $45.00. What was the bid/ask spread for Twitter at the time your trade was executed? b. Given that Twitter is listed on the NYSE, do your total transaction costs for December seem reasonable? Explain why or why not. d. What are your total round-trip transaction costs for both selling and buying the shares, and what could you have done differently to reduce the total costs? a. The bid/ask spread for Twitter, at the time your trade was executed, is ! . (Round to four decimal places.) b. Given that Twitter is listed on the NYSE, do your total transaction costs for December seem reasonable? Explain why or why not. like NASDAQ, and a market maker added the shares to her inventory (at half the spread per share)." This statement is (Select the best answer from the drop-down menu.) c. The bid/ask spread for Twitter, at the time your trade was executed, is ? (Round to four decimal places.) d. Your total round-trip transaction costs for both selling and buying the shares is $ (Round to the nearest cent.) What could you have done differently to reduce the total costs? (Select the best answer below.) A. Costs could have been reduced by placing both trades online with a request for routing to the NYSE where the chance of crossing with other public orders is greatest. B. Costs could have been reduced by placing both trades with a market maker