Which of the following is an example of triangular arbitrage initiation? O Buying a currency at one bank's ask and selling at another bank's bid, which is higher than the former bank's ask. Buying Australian dollars from a bank (quoted at $0.55) that has quoted the Australian dollar/Singapore dollar exchange rate at A$3.00 when the spot rate for the South African rand is 50 20 O Buying Australian dollars from a batik (quoted at 80.55) that has quoted the Australian dollar/Singapore dollar exchange rate at A$2.50 when the spot rate for the South African and is $0.20 Converting funds to a foreign currency and investing the funds overseas