Mickey and Jenny Porter file a joint tax return, and they itemize deductions. The Porters incur $3,425 in employment-related miscellaneous itemized deductions. They also incur $5,375 of investment interest expense during the year. The Porters income for the year consists of $178,500 in salary, and $4,495 of interest income.

What is the amount of the Porters investment interest expense deduction for the year?