Yikes. How about some context? Year and mileage to start. What did your dealer tell you they suspect to be the problem? Did they give you a quote of any sort?
Was there any direct cause to the ticking? Did you submarine it or anything?
A ticking noise could be as minor as a valve clearance adjustment...or even milder (as in, no problem) if you hear that ticking noise when the motor is under load, just before it downshifts.