GPS - Buttons

We´ll use right angle tactile pushbuttons mounted on pcb edge
http://www.alps.com/products/WebObjects/catalog.woa/E/HTML/Tact/SurfaceMount/SKSL/SKSLLAE010.html
http://es.mouser.com/ProductDetail/ALPS/SKSLLAE010/?qs=sGAEpiMZZMsgGjVA3toVBNCaPNgfU%252bJCTYCpZkB%252bZDs%3d

Price: $0.286 @ 1pc ($0.23 @ 100pc)

Buttons Schematics