The user of-course can already implicitly work out this information from comparing the fee-rate with the actual fee.

I think that it would be useful for people not wanting to do this arithmetic in their head.

{
            
            
            
            BOOST_FOREACH(const CTxIn& txin, wtx.vin)
                if (wallet->IsMine(txin))
                    strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -wallet->GetDebit(txin, ISMINE_ALL)) + "<br>";
            BOOST_FOREACH(const CTxOut& txout, wtx.vout)
                if (wallet->IsMine(txout))
                    strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, wallet->GetCredit(txout, ISMINE_ALL)) + "<br>";
        }
    }
    strHTML += "<b>" + tr("Net amount") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, nNet, true) + "<br>";
    
    
    
    if (wtx.mapValue.count("message") && !wtx.mapValue["message"].empty())
        strHTML += "<br><b>" + tr("Message") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["message"], true) + "<br>";
    if (wtx.mapValue.count("comment") && !wtx.mapValue["comment"].empty())
        strHTML += "<br><b>" + tr("Comment") + ":</b><br>" + GUIUtil::HtmlEscape(wtx.mapValue["comment"], true) + "<br>";
    strHTML += "<b>" + tr("Transaction ID") + ":</b> " + rec->getTxID() + "<br>";
    strHTML += "<b>" + tr("Output index") + ":</b> " + QString::number(rec->getOutputIndex()) + "<br>";
    
    Q_FOREACH (const PAIRTYPE(std::string, std::string)& r, wtx.vOrderForm)
        if (r.first == "Message")
            strHTML += "<br><b>" + tr("Message") + ":</b><br>" + GUIUtil::HtmlEscape(r.second, true) + "<br>";
    
    
    
    Q_FOREACH (const PAIRTYPE(std::string, std::string)& r, wtx.vOrderForm)