Somar classes dinamicas

[laracdp@hotmail.com 0]

<div class="row" ><br>
							<table id="grid" class="table table-hover">
								<thead>
								  <tr>
									<th>Descrição</th>
									<th>Qtd.</th>
									<th>Qtd. Disponível</th>
									<th>Valor Unitário</th>
									<th></th>
								  </tr>
								</thead>
								<tbody>

								</tbody>
							</table>
							<label>Totais</label>
							Total de despesas: R$ 
								<input type="text" id="resultado" readonly="readonly" class="form-control" onblur="return(MascaraMoeda(this,'.',',',event))" />
						</div>
						
						
<!-- ############################################ -->
	<script type="text/javascript">
		$(document).ready(function(){
			$('#form_prepare').submit(function(){
				var $this = $( this );

				
				var tr = '<tr>'+
					'<td>'+$this.find("input[name='descricao']").val()+'</td>'+
					'<td>'+$this.find("input[name='qtd']").val()+'</td>'+
					'<td><input type="hidden" class="valorAmortizar" value="'+$this.find("input[name='qtd']").val()+'" />'+$this.find("input[name='qtd']").val()+'</td>'+
					'<td><input type="hidden" class="valorAmortizars" value="'+$this.find("input[name='valor_unitario']").val()+'" />'+$this.find("input[name='valor_unitario']").val()+'</td>'+
					'<td> <button onclick="RemoveTableRow(this)" class="btn btn-danger" type="button"><span class="glyphicon glyphicon-trash" aria-hidden="true"></span> Remover</button></td>'+
					'</tr>'
				$('#grid').find('tbody').append( tr );
			
				return false;
			});
		});
	</script>
	<script>
		function id( el ){
					return document.getElementById( el );
			}
			function getMoney( el ){
					var money = id( el ).value.replace( ',', '.' );
					return parseFloat( money )*100;
			}
			function soma()
			{
					var total = getMoney('qtd')*getMoney('valor_unitario');
					id('resultado').value = 'R$ '+total/10000;
			}
		</script>

 

[laracdp@hotmail.com 0]

 

<div class="row" ><br>
							<table id="grid" class="table table-hover">
								<thead>
								  <tr>
									<th>Descrição</th>
									<th>Qtd.</th>
									<th>Qtd. Disponível</th>
									<th>Valor Unitário</th>
									<th></th>
								  </tr>
								</thead>
								<tbody>

								</tbody>
							</table>
							<label>Totais</label>
							Total de despesas: R$ 
								<input type="text" id="resultado" readonly="readonly" class="form-control" onblur="return(MascaraMoeda(this,'.',',',event))" />
						</div>
						
						
<!-- ############################################ -->
	<script type="text/javascript">
		$(document).ready(function(){
			$('#form_prepare').submit(function(){
				var $this = $( this );

				
				var tr = '<tr>'+
					'<td>'+$this.find("input[name='descricao']").val()+'</td>'+
					'<td>'+$this.find("input[name='qtd']").val()+'</td>'+
					'<td><input type="hidden" class="valorAmortizar" value="'+$this.find("input[name='qtd']").val()+'" />'+$this.find("input[name='qtd']").val()+'</td>'+
					'<td><input type="hidden" class="valorAmortizars" value="'+$this.find("input[name='valor_unitario']").val()+'" />'+$this.find("input[name='valor_unitario']").val()+'</td>'+
					'<td> <button onclick="RemoveTableRow(this)" class="btn btn-danger" type="button"><span class="glyphicon glyphicon-trash" aria-hidden="true"></span> Remover</button></td>'+
					'</tr>'
				$('#grid').find('tbody').append( tr );
			
				return false;
			});
		});
	</script>
	<script>
		function id( el ){
					return document.getElementById( el );
			}
			function getMoney( el ){
					var money = id( el ).value.replace( ',', '.' );
					return parseFloat( money )*100;
			}
			function soma()
			{
					var total = getMoney('qtd')*getMoney('valor_unitario');
					id('resultado').value = 'R$ '+total/10000;
			}
		</script>

 

 

[laracdp@hotmail.com 0]

está somando mas somente uma linha da tabela, gostaria de multiplicar a classe valorAmortizarQtd por valorAmortizarUn