The Stockholders' equity section of Creighton's Company' balance sheet is shown as follows

As of December 31, 2018

- Preferred Stock, $10 stated value, 7% cumulative, 300 shares authorized, 50 issued and outstanding: $500

- Common Stock, $10 par value, 250 shares authorized, 100 issued and outstanding: $1,000

- Common Stock, Class B, $20 par value, 400 shares authorized, 150 issued and outstanding: $3,000

- Common Stock, no par, 150 shares authorized, 100 issued and outstanding: $2,200

- Paid-in capital in excess of stated value - Preferred: $600

- Paid-in capital in excess of stated value - Common: $1,200

- Paid-in capital in excess of stated value - Class B Common: $750

- Retained Earnings: $7,000

- TOTAL Stockholders' Equity: $16,250

a). Assuming the preferred stock was originally issued for cash, determined the amount of cash that was collected when the stock was issued

b). Based on class B common stock alone, determine the amount of the company's legal capital

c). Based on the class B common stock alone, determine the minimum amount of assets that must be retained in the company as protection for creditors

d). Determine the number of shares of Class B common stock that are available to sell as of December 31, 2018

e) Assuming Creighton purchases treasury stock consisting of 25 shares of its no-par common stock on January 1, 2019, determine the amount of the no-oar common stock that would be outstanding immediately after purchase

f). Based on the stockholders' equity section show above, can you determine the market value of the preferred stock? If yes, what is the market value of one share of this stock?