I'd like to return a collection plus a single value. Presently I am using a field to create a new list adding a value to the list and then returning the result. Is there a way to do this with a linq or lambda expression?

private List<ChargeDetail> _chargeBreakdown
    = new List<ChargeDetail>();

public ChargeDetail PrimaryChargeDetail { get; set; }

public List<ChargeDetail> ChargeBreakdown
{
    get
    {
        List<ChargeDetail> result =
            new List<ChargeDetail>(_chargeBreakdown);
        result.Add(PrimaryChargeDetail);

        return result;
    }
}