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According to today's foreign exchange rate, HK$ 100 can be converted into RMB: 78.35 (cash buying rate).
So today, 4,400 Hong Kong dollars can be converted into RMB: 4,400/100× 78.35 = 3,447.40 yuan.
Note: RMB is converted into foreign currency according to the cash selling price;
Converting foreign currency into RMB is at the buying price of cash.