how to get totals of sales order and purchase order
public real SalesTotal(str salesId ) { SalesTotals salesTotals; SalesTable salesTable; SalesLine salesLine; TaxAmountCur salesAmt, taxAmount, amt1, discountAmt, totcharges, totOfOrder, contributionRatio; Tax tax; salesTable = SalesTable::find( salesId ); //give sales id here salesLine = SalesLine::find(salesTable.SalesId); salesTotals = SalesTotals::construct(salesTable); tax = Tax::construct(NoYes::No); salesAmt = salesTotals.totalBalance(); taxAmount = salesTotals.totalTaxAmount(); discountAmt = sal...