As you can see, the different methods result in slightly different answers. However,
the goal is to limit the foreign exchange risk using a relatively simple conversion method.
As mentioned above, you may have used a different exchage rate in effect when you
submitted your proposal. For this example, had the exchange rate been 10 Rand to
US$1 at the time, either illustrated method would provide a more accrate refiection
of costs in USD than if you were to use your initially budgeted exchange rate.