GM monthly subscription charges

Can anyone tell me the current GM subscription fees for:
Parts Catalogs (snap on)
W.I.S.
T.I.S.
And the cost of the new global Diag tool?
Looking to go to a gm dealer but not sure of the expenses they keep talking to me about.
Thanks in advance
B.A.F.
Parts Catalogs (snap on)
W.I.S.
T.I.S.
And the cost of the new global Diag tool?
Looking to go to a gm dealer but not sure of the expenses they keep talking to me about.
Thanks in advance
B.A.F.