De or het foldervergoeding?

The correct Dutch article is:

de foldervergoeding

Rule Words ending in -ing: almost always de. See the rule

How to use foldervergoeding

the foldervergoedingde foldervergoeding
this foldervergoedingdeze foldervergoeding
that foldervergoedingdie foldervergoeding
our foldervergoedingonze foldervergoeding
your foldervergoedingjouw foldervergoeding
every foldervergoedingelke foldervergoeding
which foldervergoeding?welke foldervergoeding?
a big foldervergoeding / the big foldervergoedingeen grote foldervergoeding, de grote foldervergoeding