Could you explain this to me? and tell me which answer is right

You are running late to your flight to the US at Sydney airport and pass by ANZ FX which is offering USD/AUD 0.6050/0.6600. After landing in New York, you head to the first dealer you see, Chase FX, which is offering AUD/USD 1.4501/1.5302. While both dealers, ANZ and Chase, cannot be compared on their original quotes as both are using different commodity currencies, you can convert either quote to the commodity currency of the other dealer. After doing this, the dealer which gives you the best rate is Choose... * As you have no choice but to use Chase FX, exchanging AUD 1,500 will fetch yo v Choose... USD 980.26 USD 907.50