Visit the home page of Staples, Inc., at www.staples.com. Locate the company's most current balance sheet by selecting About Staples, and then clicking Investor Information. Does the company report preferred stock in its balance sheet? If so, how many shares are currently outstanding? How much common stock does the company report in its most recent balance sheet? What is the par value of each? Does the company report any treasury stock? Has this amount changed since the previous year