the answers are highlighted, but I do not understand how to get them. please help!

3. Suppose that: U.K. (pound) Spot Rate 1.4994 3 Month Forward Rate 1.491 1 Year Forward Rate 1.4658 If the 3-month interest rate on Dollars is 3.5% (effective annual rate), what do you think is the 3-month sterling (U.K.) interest rate? A. 1.07% B. 2.07% C. 3.07% D. 4.07% 4. Suppose that: Spot Rate 1.5331 3 Month Forward Rate 1.5372 1 Year Forward Rate 1.5502 U.K. (pound) What is the annualized %age discount or premium of the Canadian Dollar on the U.S. Dollar? A. 1.10% premium B. 1.10% discount C. 2.20% premium D. 2.20% discount 5. Suppose that: U.K. (pound) Spot Rate 1.5331 3 Month Forward Rate 1.5372 1 Year Forward Rate 1.5502 If no other information is available, what will your guess about the spot rate in one year be? A. 1.5331 B. 1.5372 C. 1.5502 D. 2.0000