A Chinese company exported a parcel of goods to Canada. The sales price was USD500/ metric ton CIF Vancouver. T he freight and the premium were USD70 and USD 6 respectively. If the purchasing price was RMB2000 per metric ton and the domestic charges and indirect charges were 10% of the purchasing price. VAT rate and export rebate rate were 17% and 5% respectively. (Suppose the buying rate issued by the bank was USD1 for RMB6.18) P lease calculate the total export cost, the net export revenue in foreign currency, the export cost for foreign exchange and profit and cost rate in export.