Define and give an example of the following in (a) and (b) below:

1. An example of a direct quote between the Australian dollar and the Mexican peso, where Australia is designated as the home country.
2. An example of an indirect quote between the Japanese yen and the Chinese renminbi (yuan), where China is designated as the home country.
3. Define the international Fisher effect. To what extent do empirical tests confirm that the international Fisher effect exists in practice?