أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Actually its according to the Famous of the channel itself And depend on the duration of the add also in which part transmission time will show the add ,( during news ..deferent than during other time )
example ..adds on MBC may cost10000 $per second instead on other channel may cost100 $ .
important : which viewers you want to give the message of your add , even the material itself will effect on the price of the add
so we have to study all the sides before we put an add including the financial limit to spend for this add