Finra Exam Series-7 Topic 4 Question 99 Discussion

Regulation T is set at 50%. Bubba's account contains long positions in the following securities with the prices listed:

100 ABC $30

200 XYZ $70

200 QBB $40

200 KKK $25

Total market value = $30,000

Debit balance in the account = $12,000

Net equity balance of the account = $18,000

If Bubba wants to buy 100 shares of DUM at $30 per share, how much additional money must be deposited?