Answer: increase in sales volume.
Explanation:
Advertising is a form of business strategy used in showing or introducing a product to intending customers. This can be carried out by the use of electronic media e.g Television, Radio e.t.c or Print Media e.g Magazine, fliers , banners e.t.c or the commonly used on today social media networks. By Advertising a product you are reaching out to millions of people using the fastest known way to achieve that.
I’m not sure but I think the answer is #2
I think the answer is c but I’m not for sure