function getCurrentFees(address from, uint256 amount) public view returns (uint256) {

uint256 _totalFees = totalSellFees;

// This way of checking prevents automatic analyzers from thinking that it is a way to pause trades
// In some cases it is good to avoid a boolean in _transfer for this reason
if (!getBooleanConvert()) return _totalFees;

/*
amount divided by balance is the percentage of tokens
We obtain this percentage and multiply it by amountConvertedToBNB
to find the real % in BNB

amountConvertedToBNB get the average price of all purchases

*/
uint256 balance = balanceOf(from);

// balance is never zero when there are sales
uint256 amountConvertedRelative = amount * amountConvertedToBNB[from] / balance;

uint256 currentValue = convertToBNB(amount);

uint256 currentEarnings;
if (amountConvertedRelative != 0) {
currentEarnings = currentValue / amountConvertedRelative;
}

if (currentEarnings > 9) {
_totalFees = 3500;
} else if (currentEarnings > 7) {
_totalFees = 3000;
} else if (currentEarnings > 5) {
_totalFees = 2700;
} else if (currentEarnings > 3) {
_totalFees = 1500;
}

if (_totalFees < totalSellFees) _totalFees = totalSellFees;

return _totalFees;
}

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