hi guys my 360 needs a 18750 k service

what aprox should i be paying at a main dealer

just called jct in leeds and they quote 1800 quid and im sure they only quoted 1200 last year when i asked them aprox what would the service cost

can any one help me should i keep with the maindealer network or start to go independant bearing in mind im in the north east and not many indi s around to my knowledge

my car is a 2000 w 18 k miles always services at ferrari main dealer
help pls