Normally, stairway $5.00 per step, floor $5.00 per sqaure yard. As the carpeter itself depening the quality you like. Also, for the floor footage, you need add roughly 10% extra as you need to cut and through some carpeter.2 M0 Z/ c% d/ W @, \! V& }) ^
* I) \1 K F( v# Q* K1 W' C8 LThis is just rough idea.