You said 100 won equals 0.6 yuan RMB, and 1 10,000 won equals 60 yuan RMB. It is estimated that this is the spot buying price of the day. And you can only exchange 1 10,000 won for 58 yuan RMB, which may be the buying price of cash on that day. The first column of the foreign exchange quotation is the cash bid price, and the second column is the cash bid price. Cash exchange is more profitable than cash exchange.