Apparently it's supposed to be equivalent to a pastry, which is easily over $4 here
I swear prices in SF are getting to Manhattan levels.  I spent $6 on a smoked salmon sandwich today which was 3 bites.  I thought I was going to get a couple to the plate, since there were 4 on the display plate, mini-slider size.  Noooo!  Each!  Ridiculous.