Unearned premium is the portion of the premium that has not yet been earned by the insurer and remains as a liability until the policy term passes. For a one-year policy with level premium, the premium is earned evenly each month. From January 1 to May 1, four months have elapsed, so earned premium is 4/12 of 1,200 = 400. The remaining 8/12 of the premium is unearned: 1,200 − 400 = 800. So, the unearned premium as of May 1 is 800.

Under a Personal Auto Policy, the term family member includes people who live in the same household as the named insured. A foster child who resides with the insured is considered a resident of the household, so they qualify as a family member even if there’s no blood or marital relation. Because Marie lives in the household, she meets this definition and is covered as a family member. This reflects the policy’s intent to extend coverage to those who are essentially part of the household, not just those related by blood. The other options don’t fit because foster children in the household do qualify, there’s no requirement to be related by blood, and being named in the policy is not necessary for the family-member status.

Compensation models for insurance intermediaries differ: some rely on commissions tied to the policy premium, while others charge separate fees for services. A national broker typically charges clients directly for advisory and risk-management services—such as program design, market placement, and ongoing service—with fees that are independent of policy premiums. This fee-based approach is common in large, full-service brokerages because they provide strategic guidance and ongoing support beyond just selling a policy. In contrast, agents tied to a single insurer (captive or exclusive agents) are compensated by fixed commissions paid by the insurer on the policies sold, and independent agents usually earn commissions from carriers based on premiums for the policies they place. While fees can occur in some cases, the default and general practice for these roles is commission-based, not fee-based. So the generally fee-based option is the national broker.

Opportunity cost is the value of the next best alternative you give up whenever you make a choice. When you purchase insurance, the money paid in premiums could have been used elsewhere, such as investing or earning interest. For example, if you spend $500 on a premium, that $500 could potentially earn returns if invested, so the opportunity cost is the foregone gains from that alternative use. This makes the correct choice the one that identifies the potential return on funds that could be invested elsewhere. The other ideas aren’t the opportunity cost of buying insurance: a premium refund at cancellation is a possible recovery, not the forgone benefit of choosing to insure; the insurer’s profit margin is a pricing detail for the insurer and not your foregone alternative; and the deductible is an out-of-pocket cost you pay when you file a claim, not the alternative use of your funds.