please help me solve these four problems with step by step solution.

1. Gannon Company acquired 10,000 shares of its own common stock at $20 per share on February 5, 2020, 6,000 of these shares at $30 per share on August 9, 2021. The fair value of Gannoan's common stock was $24 per share at December 31, 2020, and $25 per share at December 31, 2021. The cost method is used to record treasury stock transactions. Prepare the required journal entry to record the sale of 6.000 shares? 1. Colson Inc. declared a $750,000 cash dividend. It currently has 12,000 shares of 8%, 5100 par value cumulative (nonparticipating) preferred stock outstanding. It is one year in arears (was not paid last year) on its preferred stock. How much cash will Colson distribute to the common stockholders and preferred stockholders? 1. A company issues $1,000,000, 7.8%, 20-year bonds to yield 8% on January 1, 2020, Interest is paid on June 30 and December 31. The proceeds from the bonds are $980,208. What is interest expense for 2021, using straight-line amortization? 1. On October 1, 2020 Macklin Corporation issued 5%, 10-year bonds with a face value of $1,000,000 at 97. Interest is paid on October 1 and April 1, with any premiums or discounts amortized on a straight-line basis Prepare the required journal entry to record the issuance of the bonds