Tobias has a brokerage account and buys on the margin, which resulted in an interest expense of $24,400 during the year. Income generated through the brokerage account was as follows: Municipal interest $48,800 Taxable dividends and interest 244,000 If required, round any division to two decimal places and use in subsequent computations. Round your final answer to the nearest dollar. How much investment interest can Tobias deduct