Which statement regarding billboards is most accurate?

Multiple Choice

Billboards are a good supplemental reinforcement for well$-$known products.

$$ Billboards are more effective in rural areas than in metropolitan ones.

$$ Contrary to popular belief, billboards are not driving hazards since they help keep drivers alert.

$$ Billboards are often too expensive for small local firms and are better suited fpr national campaigns.

$$ Billboards are well$-$suited for pioneering product advertising.