Tyrone and Akira, who are married, incurred and paid the following amounts of interest during 2021: Required: With 2021 net investment income of $1,400, calculate the amount of their allowable deduction for investment interest expense and their total deduction for allowable interest. Home acquisition principal and the home equity loan principal combined are less than $750,000. Deduction for investment interest expense ____ Total deduction for allowable interest ___ Home acquisition debt interest $ 14,000 Credit card interest 4,600 Home equity loan interest (used for home 6,680 improvement) Investment interest expense 11,200 Mortgage insurance premiums (PMI) 1,000.