4. BOA issues $200m in CMO. 75% of the issue is floater tranche with index = LIBOR (currently 6%) and margin - 1%. The remaining 25% is inverse floater tranche that is designed to keep the total cost of financing constant. The next year LIBOR falls to 4%. What would be the interest paid to the inverse floater tranche investors? Enter your answer in percent, but without percent sign