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. 2 d. F( C- i) b% ?8 m. T( ^; U3 f4 J' n2 d" |0 @
This is just rough idea.