please help me to solve this two questions!!!

3a. A bottle of Chivas Regal,r a scotch whiskey made in the U.K., costs 30. What is the price in dollars when the exchange rate,r E5 = 1.3? When E.= 1.4? Will U.S. consumers buy more or less Chivas Regal when the value of the pound {En} rises? b. A bottle of Johnnie WalkerJr a Kentucky bourbon,r costs $4U. What is the cost in pounds when EH = 1.3? When EH.= 1.4? Will British consumers buy more or less Johnnie Walker as the value of the pound rises