How much would partial highlights of 2 colors cost on average at a salon?

my hairs down to my mid back. and the highlights i want would be light blonde and dark brown. mostly dark brown though. and umm i have light brown/dark blonde hair.How much would partial highlights of 2 colors cost on average at a salon?
the salon i work at does to colors of highlights for $60 or more if you have A TON of hair...hope this helps