Answer
The answer is Percent-of-sales.
Explanation
It is the most and common method to use in business due to its simplicity. An advertiser takes a percentage of either past sales and issues that percentage of the overall budget to advertising. This method typically grows out of the marketing goals and objectives of the company and play a large part especially for new business enterprises. Due to some limited resources, the budget will be established before goals and objectives or sometimes you may have to modify them.
