Normally, stairway $5.00 per step, floor $5.00 per sqaure yard. As the carpeter itself depening the quality you like. Also, for the floor footage, you need add roughly 10% extra as you need to cut and through some carpeter. ' {, n/ a& M" O0 {7 ^. ~# C# X- y$ f1 g7 l3 y
This is just rough idea.