Cody Scott would like to screen potential equity investments to identify value stocks and selects firms that have low price-to-sales ratios. Unfortunately, screening stocks based only on this criterion may result in stocks that have poor profitability or high financial leverage, which are undesirable to Scott. Which of the following filters could be added to the stock screen to best control for poor profitability and high financial leverage Filter 1—Include only stocks with a debt-to-equity ratio that is above a certain benchmark value. Filter 2—Include only dividend paying stocks. Filter 3—Include only stocks with an assets-to-equity ratio that is below a certain benchmark value. Filter 4—Include only stocks with a positive return-on-equity.Poor profitability High financial leverage（）①A. Filter 2 Filter 3 ②B. Filter 2 Filter 1 ③C. Filter 4 Filter 3

A. ①

B. ②

C. ③

An investor purchased on margin 1000 shares of a stock priced at $ 50 per share. The investor borrowed the maximum amount allowed by the initial margin requirement of 60 percent. The maintenance margin is 30 percent. The lowest price share at which the stock could sell before the investor would receive a margin call is closest to:

A．

B．

C．