Final answer:
The question asks which of the actions listed will not void an insurance policy. Misrepresentation, concealment, and fraud can all void a policy, but an increase in premium will not void it as this is a regular financial adjustment that insurance companies make.
Step-by-step explanation:
The subject of this question is related to the insurance policy terms and what may cause a policy to be voided. The question states that all of the listed actions will void a policy except for one option. To address this, misrepresentation, concealment, and fraud are all actions that can lead to a policy being nullified because they signify the policyholder has deliberately deceived or misled the insurance company.
An increase in premium, however, typically will not void a policy; it is part of the regular financial considerations of maintaining insurance coverage and could arise due to changes in risk assessment or other valid reasons. Therefore, the correct answer is d. Increase in premium, which will not void a policy.