Currently, 1 British pound approximately equals 1.96800 U.S. dollars. Therefore, as stated above, whatever the cost of the effect is, in pounds, you can simply double it to arrive at an epsilon-close estimate of its cost in dollars.
Currently, 1 British pound approximately equals 1.96800 U.S. dollars. Therefore, as stated above, whatever the cost of the effect is, in pounds, you can simply double it to arrive at an epsilon-close estimate of its cost in dollars.