I am stuck on a few questions from the assignment... Thanks in advance for your help...

Problem 21.12 Nova Scotia Bank offers quotes on the Canadian dollar as shown below. What is the bid-ask spread based on these quotes? (Round answer to 2 decimal places e.g. 17.54%.) Bid Ask C$0.9706/$ C$0.9710/$ Bid-ask spread % Problem 21.13 A local community bank has requested foreign exchange quotes for the Swiss Franc from Citibank. Citibank quotes a bid rate of $1.1100/SF and an ask rate of $1.1161/SF. What is the bid-ask spread? (Round answer to 3 decimal places, e.g. 17.540%.) Bid-ask spread A foreign exchange dealer is willing to buy the Danish krone (DKr) at $0.1558/DKr and will sell it at a rate of $0.1572/DKr. What is the bid-ask spread on the Danish krone? (Round answer to 2 decimal places, e.g. 17.52%.) Bid-ask spread % Given the following quotes, calculate the E/E cross rate. (Round answer to 4 decimal places, e.g. 15.2578. Do not enter currency sumbols in your answer.) Bank of America $1.670/E JP Morgan Chase $1.3859/E * Cross rate E /E Barclays Bank of London has offered the following exchange rate quotes: *195.80/E and Korean won 12.2360/Y. What is the cross rate between the Korean won and the British pound? (Round answer to 2 decimal places, e.g. 15.25. Do not enter currency symbols in your answer. J Cross rate Won