In New York, you can exchange $1 for 0.8329 or 0.641. Suppose that, in Berlin, 1 costs 1.2444. How much profit can you earn on $38,409 using triangle arbitrage? Enter your answer rounded off to two decimal points. Do not enter $ or comma in the answer box. For example, if your answer is $12.345 then enter as 12.35 in the answer box.