economy/Views/Financial/NavTab.cshtml

<ul class="nav nav-tabs mt-3">
    <li class="nav-item">
        <a class="nav-link @(ViewData["type"].ToString() == "Interest" ? "active" : "")" asp-controller="Financial" asp-action="Interest" asp-route-date="@Model.Request.Date">대출 금리</a>
    </li>
    <li class="nav-item">
        <a class="nav-link @(ViewData["type"].ToString() == "International" ? "active" : "")" asp-controller="Financial" asp-action="International" asp-route-date="@Model.Request.Date">국제 금리</a>
    </li>
</ul>