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''.

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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1 ~: L( ]8 m0 U7 jThanks.