Klaus Herrmann, a biochemistry professor, organized Bioproducts, Inc., early this year. The firm will manufacture antibiotics using gene splicing technology. Bioproducts' charter authorizes the firm to issue 5,000 shares of 12 percent, $50 par preferred stock and 100,000 shares of $10 par common stock. During the year, the firm engaged in the following transactions:

a. Issued 25,000 common shares to Klaus Herrmann in exchange for $275,000 cash.

b. Sold 10,000 common shares to a potential customer for $11 per share.

c. Issued 3,000 shares of preferred stock to a venture capital firm for $52 per share.

d. Gave 75 shares of common stock to Margaret Robb, a local attorney, in exchange for Margaret's work in arranging for the firm's incorporation. Margaret usually charges $900 for an incorporation.

Required:

Prepare a journal entry for each of these transactions.