我有产品
$price = $10.27;
$case price = $80.09
$case quantity = 12
I have Make it working if user will add 12 bottles Cart Price would be $80.09
But if i add 1 more bottle in cart 12+1 price changes from $80.09 to $133.51
I want something like that if there is 13 bottles in cart value should be $80.09+$10.27 = $90.36;
有人可以建议吗。
由于