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.# H4 a" f4 _3 S
! e/ W7 F b5 I, R6 j4 C
This is just rough idea.