Why is radio the least expensive electronic medium on which to produce an ad?

Question

Quizplus · Accepted Answer

Radio ads primarily rely on sound components, which are easier and less expensive to produce compared to other electronic media that require visual elements (such as television) or both visual and sound components (such as online video ads). Additionally, radio advertising rates can be relatively reasonable for local stations, especially compared to national television advertising rates. However, this does not mean that radio advertising is always the cheapest option, as other factors such as production costs, airtime fees, and the cost of talent or music can increase the overall cost of producing radio ads.

Why Is Radio the Least Expensive Electronic Medium on Which