Lonnie and Laurie, who are married and file a joint return, borrowed $160,000 to acquire a parcel of land to be held for investment purposes. During 2023, they paid interest of $10,000 on the loan. They had adjusted gross income (AGI) of $80,000 for the year. Other items related to Lonnie and Laurie's investments include the following: Investment income (interest and dividends received) $ 9,000 Long-term capital gain on sale of stock 4,700 Investment counsel fees 1,100 Property tax on the investment land 800 Calculate Lonnie and Laurie's maximum investment interest deduction for 2023 assuming that they do not make any special election regarding the computation of investment income