I just need to know the first part, the percentage

Kamada: CIA Japan (A). Takeshi Kamada, a foreign exchange trader at Credit Suisse (Tokyo), is exploring covered interest arbitrage possibilities. He wants to invest $5,100,000 or its yen equivalent, in a covered interest arbitrage between U.S. dollars and Japanese yen. He faced the following exchange rate and interest rate quotes. Is CIA profit possible? If so, how? $ Arbitrage funds available Spot rate (\/$) 180-day forward rate (/$) U.S. dollar annual interest rate 5,100,000 118.54 117.81 4.807 % 3.397 % Japanese yen annual interest rate The CIA profit potential is %, which tells Takeshi Kamada that he should borrow Vand invest in the higher yielding currency to lock in a covered interest arbitrage (CIA) profit. (Round to three decimal places and select from the drop-down menus.)