A Chinese seller exports commodity X to Japan. The price is USD 500 CIF Kobe per unit, including $50 of freight and $10 of insurance premium. If the domestic purchase price is RMB1 0 00 per M/T , and domestic direct and indirect expenses are 15% of the purchase price, calculate: (1) RMB cost in return for Foreign Exchange (2) profit and loss rate in export in this transaction (suppose the buying rate is RMB 6 .27/ USD1)