The treasury dealer division of an investment bank reports the following assets (all amounts are in millions): 30-day T-bills=$150, 91-day T-bills=$275, 6-month T-notes=$90, and 2-year T-notes=$350. It reports the following liabilities: 14-day repurchase agreements=$575 and 1-year commercial papers=$290. What is the change in the dealer's net interest income (NII) in a year if the interest rates decrease by 50 basis points