Colorization is accomplished on the computer and broken into three catagories:

Add Color to an Object $30 - Includes adding color to a single object.

Add Color to a Person $50 - Includes colorization of a single person.  Add $20 for each additional person.   

Colorization of Photograph $85 - Includes all areas of the photograph.

Additional photo services include Retouching and restoration, object removal, object addition, edge and border effects, background alteration, and special effects