How to Determine the Number of Campaign Cards in General Shop Campaign?

The number of Campaign Cards issued for general shop campaign according to the number of shops is as follows.

Radio Campaign
1 Campaign card if the number of shops is less than 10
2 Campaign cards if the number of shops is more than 10

TV Campaign
2 Campaign cards if the number of shops is less than 10 
6 Campaign cards if the number of shops is more than 10