3. To celebrate graduation, you book a trip to Indonesia. Your parents decide to give you $1,000 spending
money as a graduation present. When you arrive to the currency exchange, you notice they are buying
the US dollar at 16307.0499 IDR and selling it for 16310.0875 IDR. How many Indonesian rupiah do
you have to spend on your trip? What is the bid-ask spread?
4. Suppose you are a Colombian resident planning to travel to Japan, and you observe the following spot
rates: COP/USD=4173.0430 and JPY/USD=152.3495
What is the value of the yen, in Colombian pesos?