Chinese Company A exported 1,000 cartons of oranges. The purchase price was RMB 100 per carton and domestic charges were 15% of the purchase price. The company could get an export rebate for RMB 7 per carton. The export price for the goods was US$19 per carton CFR Bangkok. The freight paid to the carrier was US$1.2 per carton. Calculate the cost of earning foreign exchange in export.