Cost basis not cross over from ETH wallet to Binance

Describe the problem:
I bought 14 Ethereum on Jul 13, 2019, for £3057.17 on Coinbase Pro
I also bought 10 Ethereum on Kucoin same date, that I don’t have the price, let’s say is cost £0
I presume the cost of the coins is £127 due to the average

transferred all 24 to private Ethereum Wallet on Jun 21, 2020

I then transferred from a private wallet in Feb 19, 2021, the 24 Ethereum to Binance, and sold for £32919

says I have a loss of £1850 ??

shouldn’t be profit £29862 ? 32919-3057=29,862

Which exchange/wallet is this regarding?
Coinbase Pro, Private Ethereum wallet, Kucoin

How did you import data into this wallet?
APIs and CVS files, and wallet sync

What have you tried to fix this so far?
tried to change the cost of the worth from private wallet when enters Binance, but keeps giving the rate when entering on Binance, not the price I bought

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