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In this task, you are given a question and a context passage. You have to answer the question based on the given passage.

What was the average price of a three bedroom apartment in US dollars?, Context: As of 2003[update] the average price to rent an average apartment in Bern was 1108.92 Swiss francs (CHF) per month (US$890, £500, €710 approx. exchange rate from 2003). The average rate for a one-room apartment was 619.82 CHF (US$500, £280, €400), a two-room apartment was about 879.36 CHF (US$700, £400, €560), a three-room apartment was about 1040.54 CHF (US$830, £470, €670) and a six or more room apartment cost an average of 2094.80 CHF (US$1680, £940, €1340). The average apartment price in Bern was 99.4% of the national average of 1116 CHF. The vacancy rate for the municipality, in 2010[update], was 0.45%.
Output:
US$830