Which of the following is an example of speculative business risk?

Speculative risk  business refers to the type of risk that involves the possibility of either a gain or a loss. Unlike pure risk, which only involves the potential for loss (such as property damage or injury), speculative risk allows for the possibility of both positive and negative outcomes.

According to the question,  A special promotion fails to increase the sales  is an example of a speculative risk business because there is a possibility of either gaining or losing (in this case, the company might not achieve the desired sales increase). Speculative risks involve outcomes that can result in both profits and losses, which is the nature of this situation.