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. * p3 y: r6 \! Z8 }/ ]7 `7 N6 E; p4 h' u1 u5 P/ B& _
This is just rough idea.