Experts predict that similar fuel surcharge hikes will affect other forms of transport.(專家預言，類似的燃油附加費上漲將影響到其他交通工具。)

"The renewable energy surcharge should not exceed current levels," Merkel said in the Bundestag.(“可再生能源附加費不應超過目前的水平”，默克爾在聯邦議院說到。)

Messrs Shultz and Dam argue that the import surcharge was intended as “an attention-getter and a bargaining chip”.(舒爾茨和戴姆認為進口附加稅可以作為警示的標志和討價還價的籌碼。)

The government introduced a 15% surcharge on imports.(政府推出了15%的進口附加費。)

US Airways this month brought back a domestic fuel surcharge and increased its fuel surcharge for transatlantic flights.(合眾國航空本月重新收取國內燃油附加費，并對跨大西洋航班的燃油附加費進行了上調。)

The ticket cost 520 yuan, but she had to pay an additional 140 yuan for the fuel surcharge.(票價是520元，但是她必須為燃油附加費多付140元。)

To pay for this, a $2.50 monthly surcharge will go on electricity bills.(為了做到這點，用電居民每月將多付$2.50美金的特別費。)

Complex domestic fuel surcharge levy no exact information, domestic route has higher ticket prices.(國內燃油附加費復征尚無確切消息，國內各條航線機票價格卻已上揚。)

Fares keep jumping: airlines have just added another surcharge to cover higher fuel costs.(票價持續上調，航空公司剛剛增加燃油附加費，用以支付高額的燃油成本。)

What is the surcharge on this express letter, please?(請問這封快信的附加費是多少？)