Margaret Lindley paid $15,140 of interest on her $301,400 acquisition debt for her home (fair market value of $501,400), $4,140 of interest on her $30,140 home-equity loan, $1,140 of credit card interest, and $3,140 of margin interest for the purchase of stock. Assume that Margaret Lindley has $10,140 of interest income this year and no investment expenses. How much of the interest expense may she deduct this year?

• $19,280.

• $18,280.

• $22,420.

• $23,560.

• None of the choices are correct.