Normally, stairway $5.00 per step, floor $5.00 per sqaure yard. As the carpeter itself depening the quality you like. Also, for the floor footage, you need add roughly 10% extra as you need to cut and through some carpeter. " Q% }5 h; v5 T# p# |/ N& P: R% I4 g$ [5 m6 r. B% v$ [9 ~
This is just rough idea.