@{var price=25;}
<html>
<body>
@if (price>=30)
    {
    <p>The price is high.</p>
    }
    else if (price>20 && price<30) 
    {
    <p>The price is OK.</p>
    }
    else
    {
    <p>The price is low.</p>
    }

</body>
</html>