Property electrical needs to be re-wired.

[Chance B.]

Hello all, I am looking to purchase my first property, but need some help estimating some repair cost.
There are some minor problems with the roof and gutters, but what worries me the most is the electrical. 

The property's last offer fell though and it is back on the market. I asked for the any inspection report that were taken when the property was under contract. I was sent about 10pages of the 107pg report and it mentions that the electrical is putting out less than 103V but SHOULD be putting out 110-127V. The listing agent did say that the wiring is not up to code. So this 6bd 2,700 sqft house needs to be re-wired. If anybody can help illuminate what it MAY cost or share your experiences when it comes to electrical work, it would be very greatly appreciated.