A corporation has issued $100 par, 6 1/2% cumulative convertible preferred stock, callable at par. The preferred is convertible into 2 shares of common stock. Currently, the preferred stock is trading at $100 while the common stock is trading at $50. If a customer buys 100 preferred shares, converts, and then sells the common stock in the market, the profit or loss is (ignoring commissions):

You are in the market for a new refrigerator for your company’s lounge, and you have narrowed the search down to two models. the energy efficient model sells for $700 and will save you $45 at the end of each of the next five years in electricity costs. the standard model has features similar to the energy efficient model but provides no future saving in electricity costs. it is priced at only $500. assuming your opportunity cost of funds is 6 percent, which refrigerator should you purchase