Looking for cost estimation (Urgent)

xchen

I am looking for some estimation for the cost if I want to relocate the location of furnace in the basement and change the stairwell wall from 4'' to 6''.

7 ]& E9 W7 x. t' F; j% ]If you are expert in this matter and certified professional, please provide us an estimation. And I will contact you if you leave or PM me with your contact information. Your help is much appreciated!
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$ r/ v# i/ f+ s; [Thanks.