Culling - $.10 per image($25 minimum)
(must be paid in full at the time of hire)

Basic adjustments- $.25 per image($25 minimum)
color correction, exposure, WB
(must be paid in full at the time of hire)

Retouching- $25 per image  
Basic adjustments plus hair removal, skin retouching, teeth whitening, ect.
(must be paid in full at the time of hire)

Artistic Edits - $50/hour ($50 minimum) 
This would be any sort of composite.  Adding elements, removing objects, switching backgrounds, etc.  Editing your images in my style or in yours is considered an artistic edit.   
(Most composites will take me over an hour to complete.  $50 must be paid at the time of hire and then the remaining balance due on delivery of image)