public String getOrdenCompraTotal() {
int total = 0;
for (Sale sale : getDetalleOC()) {
total += sale.getPrecioTotal();
}
return new DecimalFormat("###,###").format(total);
}
public String getLastYearTotal() {
int total = 0;
for (Sale sale : getDetalleOC()) {
total += sale.getNroOrden();
}
return new DecimalFormat("###,###").format(total);
}