$("#quantityHoleForPercentage input").change(function(){
var needless=$(this).attr('id');
var willWriteToPriceInput= $(this).val();
var priceInput=$(this).next();
priceInput.val(willWriteToPriceInput);
});
$("#quantityHoleForPercentage input[id$=Profit]").change(function(){
var willWriteToPriceInput= $(this).val();
var priceInput = $(this).parent().next()
priceInput.val(willWriteToPriceInput);
});