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''.
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9 L  N5 }3 N: MIf 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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Thanks.