Meaning of 割り増し in Japanese

Definition of 割り増し

わりまし(warimashi) 【割り増し ·割増 ·割増し】

(n, adj-no) premium; bonus; extra wages; (after a number) tenths increase
割り増し料金はいくらでしたか。
How much was the additional charge?

わりましきん(warimashikin) 【割り増し金】

わりましりょうきん(warimashiryoukin) 【割増料金 ·割り増し料金 ·割増し料金】

(n) surcharge; extra charge
小包を速達で送ると割り増し料金がいります。
There is an extra charge for mailing packages by express.

わりましてあて(warimashiteate) 【割増手当 ·割り増し手当】

(n) salary supplement, e.g. for work performed at inconvenient times or as overtime allowance usually for so-called exempt workers, i.e. workers who are expected to work a certain number of overtime hours →Related words: 割増賃金

割り増しわりまし料金りょうきんはいくらでしたか。

How much was the additional charge?