Munich bratwurst costs 2 euros, and a hot dog in New York City

Munich bratwurst costs 2 euros, and a hot dog in New York City is one dollar. 1. What price Bratwurst, expressed as hot dogs, at an exchange rate of 0.5 USD. Per euro. 2. All else being equal, as a relative price change if the dollar will rise to 0.4 US dollars per euro.