Answer:
Current SMA balance is $15,000
Explanation:
SMA means special memorandum account, where excess margin recouped from investing the fund in customer's margin account is held.
Since ABC was bought for $10,000, while it's current worth is $20,000
Margin recorded = $20,000 - $10,000
= $10,000
XYZ stock sells short at $10,000, while it's current worth is $5,000
Margin recorded on short sell
=$10,000 - $5,000
=$5,000
SMA current balance
= $10,000 + $5,000
= $15,000