please help me with these question thank you

Staci just used $6,000 of cash plus a $3,500 margin loan to purchase $9,500 worth of stock. This is the only transaction in her brokerage account. According to her account balance sheet, she now has account equity of: Multiple Choice o $9,500. $6,000 $3,500. O O $2,500 O $19,000 The name preferred stock is in reference to the fact that: Multiple Choice preferred dividends must be paid in full before any additional interest may be paid. preferred dividends must be paid in full before any common stock dividends can be paid. fixed income traders prefer it to bonds. it is treated like debt for tax purposes. O it is a type of corporate debt. You purchased four put option contracts with a strike price of $34.5 and a premium of $.85. What is the total net amount you will receive for your shares if you exercise this contract when the underlying stock is selling for $31.50 a share? Multiple Choice O $13,460 O $16,340 $13.700 O O $16,400 $15,740 O