Radio and Internet Advertising websites.?
I have a school assignment that requires me to find a advertisement place and their types and cost.
I have chosen to look for Radio and Internet (I have to do 2) but I cannot find any site that tells me what their cost is, they ask for you to contact them, but I really don't have the time for that and I don't want them to think that I could be a customer.
So my question is, do you know where I could find that info?
Thank you for any help.