Labor rates vary all over the country, wish we could charge per hour what lawyers get, but then again they do not have to work around live voltge that can stop your heart and we do know the pen is mightier than.......electricity.
If the main filter caps are good parts, cost is usually south of 75 to 100 dollars. Labor for a MC2100 restore is usually less than 4 hours at your local professional service labor rates.
Audio Classics and McIntoshaudio often have MC2100s for resale on their websites, that would put them in the position of establishing prices I would think.