Diagnostic fee's are like "research" fees your lawyer charges.
The service fee can be based on actual time or, like alot of auto mechanics charge, is the average time to diagnose the problem. Using the average time, a master charges the same as the apprentice. Can you guess which one diagnoses faster, and can make more money per diagnosis? "Real time" is the auto mechanics source.
There was a time when radio and television servicing companies used Sperry Pricing Guide. If I ever dig mine out, I'll post a page.
The service fee can be based on actual time or, like alot of auto mechanics charge, is the average time to diagnose the problem. Using the average time, a master charges the same as the apprentice. Can you guess which one diagnoses faster, and can make more money per diagnosis? "Real time" is the auto mechanics source.
There was a time when radio and television servicing companies used Sperry Pricing Guide. If I ever dig mine out, I'll post a page.