mystic lake inc. bottles and distributes spring water. on july 9 of the current year, mystic lake reacquired 39,300 shares of its common stock at $42 per share. on september 22, mystic lake sold 30,100 of the reacquired shares at $49 per share. the remaining 9,200 shares were sold at $41 per share on november 23. required: a. journalize the transactions of july 9, september 22, and november 23. refer to the chart of accounts for exact wording of account titles. b. what is the balance in paid-in capital from sale of treasury stock on december 31 of the current year? c. for what reasons might mystic lake inc. have purchased the treasury stock?