In June, an investor finds out that in September she will receive $10 million to invest in three month maturity securities. In June, the 91-day Treasury bill rate is 5.50 per cent. What is the investor's profit (loss) if the 91-day rate falls to 5.20 per cent in September?

A.The investor loses $30 000 because of the 30 basis point decline in interest rates.

B.The investor gains $30 000 because of the 30 basis point decline in interest rates.

C.The investor gains $7583 because of the 30 basis point decline in interest rates.

D.The investor loses $7583 because of the 30 basis point decline in interest rates.