Margaret Lindley paid $15,000 of interest on her $300,000 acquisition debt for her home (fair market value of $500,000), $4,000 of interest on her $30,000 home-equity loan, $1,000 of credit card interest, and $3,000 of margin interest for the purchase of stock. Assume that Margaret Lindley has $10,000 of interest income this year and no investment expenses. How much of the interest expense may she deduct this year?

• $23,000.

• $22,000.

• $19,000.

• $18,000.

• None of the choices are correct.