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. & ]. b0 U" d( B. R. F1 V- ^) g+ [' e. z# e
This is just rough idea.