Assuming totaltax is required, the following result was found.
= r_QuoteDetails.get("Sub_Total").toDecimal() * 0.2; v_GrandTotal = r_QuoteDetails.get("Sub_Total").toDecimal() * 1.2; v_TotalTax = v_GrandTotal * 0.2; m_UpdateQuote.put("Tax",round(v_TotalTax,2)); m_UpdateQuote.put("Grand_Total",round(v_GrandTotal...