<form action="/Prueba1/index.jsp" method="post">
            <table border="1">
                <tr><td>Tienda de computación</td></tr>
                <tr><td>15% dcto. por compra superior a $1.000.000.-</td></tr>
                <tr><td>Descripción</td><td>Valor</td><td>Cantidad</td></tr>
                <tr><td>Placa Madre Intel</td><td>$150.000</td><td><select name="item1"><option value="1" selected>1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option></select></td></tr>
                <tr><td>Disco Duro 500GB</td><td>$30.000</td><td><select name="item2"><option value="1" selected>1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option></select></td></tr>
                <tr><td>Memoria DDR3 2GB</td><td>$15.000</td><td><select name="item3"><option value="1" selected>1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option></select></td></tr>
                <tr><td>Gabinete ATX</td><td>$20.000</td><td><select name="item4"><option value="1" selected>1</option><option value="2">2</option><option value="3">3</option><option value="4">4</option><option value="5">5</option></select></td></tr>
                <tr><td>Total NETO s/ desc.</td><td>$<% out.println((int)neto);%></td></tr>
                <tr><td>Descuento 15%</td><td>$<% out.println((int)dcto);%></td></tr>
                <tr><td>Total NETO</td><td>$<% out.println((int)neto_c_dcto);%></td></tr>
                <tr><td>Total a pagar c/ IVA</td><td>$<% out.println((int)total);%></td></tr>
                <tr><td><input type="submit" name="calcular" value="Enviar" /></td><td><button>Limpiar</button></td></tr>
            </table>
        </form>