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. % r" ~* f+ o* d! J7 O0 a+ c: ~+ `- t9 r1 |' w
This is just rough idea.