Other things equal, and assuming efficient markets, if a Toyota Corolla costs $21,375 in the U.S. then at an exchange rate of Aus$1.32/5, the Toyota Corolla should cost Australian dollars in Australia (rounding to the nearest dollar) 01. Aus$ 28,215 2. Auss 16,193 3. Aus$ 20,253 4. Aus$ 21,735