Please calculate with steps

Around the hom. Assuming the following quotes, calculate how a market trader at Citibank with \$1,000,000 can make an intermarket arbitrage profit. ( 4 marks) \begin{tabular}{ll} Citibank quotes U.S. dollar per pound: & $1.5900/ \\ National Westminster quotes euros per pound: & 1.2000/A \\ Deutschebank quotes U.S. dollar per curo: & $0.7550/ \\ \hline \end{tabular}