Gold can be hammered into extremely thin sheets called gold leaf. An architect wants to cover a 100 ft x 85 ft ceiling with gold leaf that is five- millionths of an inch thick. The density of gold is 19.32 g/cm, and gold costs $1654 per troy ounce (where 1 troy ounce = 31.1034768 g). Part A How much will it cost the architect to buy the necessary gold? Express your answer in dollars to one significant figure.