avarage cost for 150'000 mile schedule maintenance?? on 2001 Subaru Outback

My car 2001 Subaru outback LL bean is about to be due for 150'000 mile maintenance, and I am curios about the cost. and I know its depending on the shop and what they do, but could someone gives me some idea??
Thanks in advance

Asked by for the 2001 Subaru Outback