Brandon and jane forte file a joint tax return and decide to itemize their deductions. the forte's income for the year consists of $120,000 in salary, $1,000 interest income, $1,500 nonqualifying dividends, and $1,000 long-term capital gains. the forte's expenses for the year consist of $3,000 investment interest expense and $900 tax preparation fees. assuming that the forte's marginal tax rate is 30%, what is the amount of investment interest expense deduction for the year?