Suppose the is worth SAR 9.80 (SAR = South African Rand) in London and SFr 5.40 in Zurich. (a) Show how a London trader

Suppose the £ is worth SAR 9.80 (SAR = South African Rand) in London and SFr 5.40 in Zurich. (a) Show how a London trader can make a profit given that the Swiss Franc is worth 2 SAR. What is the prof...