I have been having trouble with this assignment appreciate the help.

1. Tree Comfort Specialists, Inc. reported the following stockholders' equity on its balance sheet at June 30, 2011: Requirements R1. Identify the different issues of stock that Tree has outstanding. R2. What is the par value per share of Tree's preferred stock? R3. Make two summary journal entries to record issuance of all the Tree stock for cash. Explanations are not required. R4. No preferred dividends are in arrears. Journalize the declaration of a $400,000 dividend at June 30, 2011. Use separate Dividends payable accounts for Preferred and Common. An explanation is not required. 2. C-Mobile Wireless needed additional capital to expand, so the business incorporated. The charter from the state of Georgia authorizes C-Mobile to issue 60,000 shares of 10%, $150-par preferred stock, and 140,000 shares of no-par common stock. C-Mobile completed the following transactions: Requirements R1. Record the transactions in the general journal. R2. Prepare the stockholders' equity section of the C-Mobile Wireless balance sheet at December 31. The ending balance of Retained Earnings is $90,000. 3. Hip Skincare has 5,000 shares of 5%, $15 par value preferred stock and 80,000 shares of $2.25 par common stock outstanding. During a three-year period, Hip declared and paid cash dividends as follows: 2010, $2,000; 2011, $15,000; and 2012, $20,000. Requirements R1. Compute the total dividends to preferred and to common for each of the three years if a. preferred is noncumulative. b. preferred is cumulative. R2. For Requirement R1b. journalize the declaration of the 2011 dividends on December 22, 2011, and payment on January 14, 2012. Use separate Dividends payable accounts for Preferred and Common. 4. The following accounts and December 31, 2010, balances of Florida Optical Corporation are arranged in no particular order. Requirements R1. Prepare the company's classified balance sheet in account format at December 31, 2010. R2. Compute Florida Optical's rate of return on total assets and rate of return on common stockholders' equity for the year ended December 31, 2010. R3. Do these rates of return suggest strength or weakness? Give your reasoning. Financial Statement Case Refer to the 2009 Amazon.com Financial Statements handout. Answer the following questions about Amazon's stock. The Accumulated Deficit account is Retained earnings with a negative balance. Requirements R1. How much of Amazon.com's preferred stock was outstanding at December 31, 2009? How can you tell? R2. Examine Amazon.com's balance sheet. Which stockholders' equity account increased the most during 2009? What caused this increase? The Consolidated Statements of Stockholders' Equity helps to answer this question. R3. Use par value and the number of shares to show how to compute the balances in Amazon.com's Common stock account at the end of both 2009 and 2008, as shown in the balance sheet. R4. Would it be meaningful to compute Amazon.com's return on equity? Explain your