Confused with stock dividend entries?

Someone please help me out I'd really appreciate it, the way the professor posed it makes it very confusing. I did the first 2 entries, not really sure if they're correct.

ABC had the following selected acc balances as of jan, 1 2007

Preferred stock, 2%,$100par
(100,000 sh authorized; "?' sh issued & outstanding…600,000
Paid in capital in excess of par - preferred stock…60,000
Common Stock, $? Par
(800,000 sh authorized, 500,000 issued&outstanding…1,000000
Paid in capital in excess of par - common stock…300,000
Retained earnings…

During 2005 the following occurred:

01-15 Declared a cash dividend on preferred stock
this is what I did on this one, I don't know if it's correct.

Retained earnings…60,000
Dividends payable…60…

02-14 Payment date
i don't know, if this is correct either

Dividends payable…60,000
Cash…

02-28 Issued 2300 shares of preferred stock in exchange for a building, details regarding the building are as follows:

Land
Original cost: 25,000
Book Value: 25,000
Fair Market Value: 15,000

Building
Original cost: 150,000
Depreciation: 30,000
Book Value: 120,000
Fair Market Value: 225,000

03-17 Declared a 5% common stock dividend when the shares where trading at $25

07-01 Distribution date for common stock pursuant to stock dividend (shares trading at $27)

07-31 Accepted subscriptions for 6,000 shares of preferred stock @$112 share receiving a 40% down payment with the subscription contracts.

08-31 Received remaining 60% from preferred stock subscribers and issued the shares.

09-01 Reacquired 5,000 common shares for $140,000 and placed them

09-30 Reissued 2,000 common shares held in treasury for $59,000

10-31 Reissued 3,000 common shares held in treasury for $78,000

Thanks so much in advance, I really understand this it's very important, please help me.
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First, to clear up the? You had in your given information.
600,000 / 100 = 6,000 preferred shares issued and outstanding
1,000,000 / 500,000 = $2 par value on common stock

01-15 Declared a cash dividend on preferred stock
The total par value of the preferred stock was $600,000 and the dividend rate is 2%.
600,000 x 2% = $12,000 dividend
Dr Retained Earnings 12,000
Cr Dividends Payable 12,000

02-14 Payment date
Dr Dividends Payable 12,000
Cr Cash 12,000

02-28 Issued 2300 shares of preferred stock in exchange for a building, details regarding the building are as follows:

Land
Fair Market Value: 15,000
Building
Fair Market Value: 225,000
When purchasing fixed assets, only the fair market value is important
Dr Land 15,000
Dr Building 225,000
Cr Preferred Stock 230,000 (2,300 x $100 par)
Cr Paid-In Capital in Excess of Par, Preferred Stock 10,000

03-17 Declared a 5% common stock dividend when the shares where trading at $25
500,000 x 5% = 25,000 shares in stock dividend
25,000 x $25 = $625,000 total amount of dividend
25,000 x $2 = $50,000 par value of dividend
Dr Retained Earnings 625,000
Cr Stock Dividends Distributable 50,000
Cr Paid-In Capital in Excess of Par, Common Stock 575,000

07-01 Distribution date for common stock pursuant to stock dividend (shares trading at $27)
The new market price ($27) does not matter.
Dr Stock Dividends Distributable 50,000
Cr Cash 50,000

07-31 Accepted subscriptions for 6,000 shares of preferred stock @$112 share receiving a 40% down payment with the subscription contracts.
Dr Cash 268,800 (40% x 6,000 x $112)
Dr Preferred Stock Subscription Receivable 403,200 (60% x 6,000 x $112)
Cr Preferred Stock Subscribed 600,000 (6,000 x $100)
Cr Paid-In Capital in Excess of Par Value, Preferred Stock 72,000

08-31 Received remaining 60% from preferred stock subscribers and issued the shares.
Dr Cash 403,200
Dr Preferred Stock Subscribed 600,000
Cr Preferred Stock Subscription Receivable 403,200
Cr Preferred Stock 600,000

09-01 Reacquired 5,000 common shares for $140,000 and placed them
Dr Treasury Stock 140,000
Cr Cash 140,000

09-30 Reissued 2,000 common shares held in treasury for $59,000
140,000 / 5,000 x 2,000 = $56,000 original cost
Dr Cash 59,000
Cr Common Treasury Stock 56,000
Cr Paid-In Capital on Sale of Treasury Stock 3,000

10-31 Reissued 3,000 common shares held in treasury for $78,000
140,000 / 5,000 x 3,000 = $84,000 original cost
Dr Cash 78,000
Dr Paid-In Capital on Sale of Treasury Stock 3,000
Dr Retained Earnings 3,000*
Cr Common Treasury Stock 84,000
*Since there wasn't enough capital in the Paid-In Capital on Sale of Treasury Stock account, the difference comes out of Retained Earnings.