An extra charge is any fee other than the initial cost, that you may be expected to pay
A hidden extra is any fee that will be added to the cost that is not clear at the time
An extra charge とは、初期費用以外にかかると思われるコストのことを言います。
A hidden extra とは、当初は値段が読めなくとも、のちのち追加されるコストのことを言います。
How much is the service fee?
Are there any extra costs?
You can use any of these :)
"How much is the service fee?
Are there any extra costs?
How much is the service fee?/Are there any extra costs?
サービス料（＝手数料）はいくらですか
サービス料を訪ねる際の表現になります。
是非使ってみてください
extra余分の、追加の"
Is there a service fee? asks if there is a charge for their service.
How much is the handling fee? asks them to tell you how much they will charge for handling the product.
Is there a service fee?サービス料を尋ねる言い方です。
How much is the handling fee? その商品を手配するための手数料はいくらかかるのか尋ねる言い方です。
By how much will the service/commission fee set me back?
How much will I have to pay for the service/commission fee?
"By how much will the service/commission fee set me back?"
You are requesting to be given an accurate figure/amount for the service/commission fee.
"How much will I have to pay for the service/commission fee?"
You are asking for the exact amount to expect to pay for the additional fee.This is a more straightforward way to ask.
"By how much will the service/commission fee set me back?"
サービス、手数料がいくらかかるのか具体的な数字を教えるよう要求する表現です。
"How much will I have to pay for the service/commission fee?"
You are asking for the exact amount to expect to pay for the additional fee.This is a more straightforward way to ask.
追加でいくら払えば良いのか尋ねる表現です。かなり直接的な表現ともいえます。
The first question can be posed to a service provider that charges service fees for the provision of their products such as restaurants and banks.
In this case you want to know beforehand what the service fee will cost you so that you can factor it into your budget.
The second question can be posed to service providers that charge commission for the provision of their services.
It can be banks, corporate organizations or individuals.
The noun 'commission' can be described as 'a set percentage of the amount involved, paid to an agent in a commercial transaction'.
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