Apple budgeted $1 million for the staircases of its new San Francisco flagship Apple Store, reports Curbed, using data from BuildZoom.
The data shows that Apple expected to spend $23.6 million building and renovating the store, based on the construction permits it obtained. Nineteen million dollars of that was slated for the exterior of the building.
Those are just ballpark figures - Apple gave these numbers to San Francisco City Hall before construction actually began, so real costs could be higher.
Here's what a half-million-dollar staircase looks like: