9. In 2020, Anne Able (single filer), pays $5,400 of interest expense on money borrowed to make and carry various investment properties. During the year, Anne generates investment income of $3,900 and incurs $300 of expense incurred to produce the investment income. Assuming that Anne itemizes for 2020, how much investment interest expense may she deduct? A. $3,900 5,400 2,700 D 3,600 None of the above