Look up the quote for USDHKD in finance.yahoo.com. What is the gap between the highest and lowest rate in the year 2021?

		Approximately HKD 0.02
		Approximately HKD 0.20
		Approximately HKD 0.50

Suppose a country pegs it currency named rupiah against a basket of two currencies the euro and the yen. If yen appreciates against the euro, the rupiah will:

		appreciate against the euro.
		appreciate against the yen.
		will maintain constant exchange rates against yen and euro both.