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.7 B' [0 E* ~" {) V
@- F4 G9 D: _: B- g' c
This is just rough idea.