Which of the following indicates that an act is deceptive?

The indication that an act is deceptive primarily revolves around its capacity to mislead consumers. When an act misleads or is likely to mislead, it creates an impression that can affect a consumer's decision-making process. This aspect of deception is fundamental because it relates directly to consumer protection laws, which aim to ensure that consumers are not misled by false advertisements, misleading information, or hidden clauses in agreements.

Acts that might be included in contracts or are beneficial to a company do not necessarily denote deception unless they create confusion or misunderstanding for the consumer. Similarly, assumptions may lead to miscommunication, but they don't inherently imply deception without the aspect of misleading intent or effect on consumer perception. The critical component of deceptive acts is their potential to distort the truth and cause consumers to make choices they would not have made if they had accurate information.