to replace the oil pan gasket on my sister's 1997 Honda Accord EX 4 cyl, 4 door.

Why? I think the gasket is like $20

http://replacement.autopartswarehous...Oil+Pan+Gasket

and the labor to do it should be like 15 minutes.

Am I the idiot here or do I have some sort of communication break down b/w the dealer, my mom and myself?