Please help, thank you!

2. In addition to the bid and ask quotes for the Thai baht provided in the previous question, Kasikom Bank has provided the following quotations for the U.S. dollar and the Japanese ven: Determine whether the cross exchange rate between the Thai baht and Japanese yen is appropriate. If it is not appropriate, determine the profit you could generate for TopSurf by withdrawing $250,000 from TopSurf's checking account and engaging in triangular arbitrage before rates are adjusted