Japanese phrase
___は平均でいくらかかりますか？ ___ wa hei kin de i ku ra ka ka ri ma su ka
Meaning
What is the average cost of ___?
When to use it
Requests the usual cost of something. This polite wording suits questions about expenses that can vary from one situation to another.
Example dialogue
家賃は平均でいくらかかりますか？ ya chin wa hei kin de i ku ra ka ka ri ma su ka
What is the average cost of rent?
地域によりますが、月八万円ほどです。 chi iki ni yo ri ma su ga tsuki hachi man en ho do de su
It depends on the area, but it is about 80,000 yen a month.