What is an advantage of radio advertising? It offers an excellent combination of reach and frequency. It is free from the problem of advertising clutter. It provides scope for unlimited creativity. It is a cost-effective method to reach all markets. It benefits from being long-lived and widely remembered.

It offers an excellent combination of reach and frequency

Explanation:

The question basically seeks to extract the advantage of radio advertising in contemporary time. It must be noted that there are varying forms of advertisements, with one edging the other by one feature or the other.

The feature that ultimately stands radio advertising is the ubiquitous nature of its distribution. Simply put, it offers an excellent combination of reach and frequency. The implication of this is that the messages and information being passed out from this medium commands a far reach, attention and feedback from the larger audience.

While other listed options could be relevant, it must be stated that option A is the feature that categorically set radio advertisements apart from others.

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"we first find value of tax in dollars.

the difference between the two prices   is: 23. 54 - 22 = 1.54

therefore the sales tax in dollars is 1.54

the tax % will be   (amount of tax / original cost price ) × 100

(1.54 / 22) × 100  → (0.07) × 100 =   7

so the tax rate is 7%

we can double check the answer.

7 % of 22   → (7/100) × 22 → 0.07 × 22 = 1.54

22 + 1.54 = 23.54"

answer; comparing the additional benefits and costs;