ASP.NET MVC scenario, similar to 'Post your answer' on StackOverflow

{ "people": [
  { "firstName": "Brett", "lastName":"McLaughlin", "email": "brett@newInstance.com" },
  { "firstName": "Jason", "lastName":"Hunter", "email": "jason@servlets.com" },
  { "firstName": "Elliotte", "lastName":"Harold", "email": "elharo@macfaq.com" }
]}

<people>
  <person>
    <firstName>Brett</firstName>
    <lastName>McLaughlin</lastName>
    <email>brett@newInstance.com</email >
  </person>
  <person>
    <firstName>Jason</firstName>
    <lastName>Hunter</lastName>
    <email>jason@servlets.com</email >
  </person>
  <person>
    <firstName>Elliotte</firstName>
    <lastName>Harold</lastName>
    <email>elharo@macfaq.com</email >
  </person>
</people >

public ContentResult ProcessRequestAction(string Email, string Password)
 {
     Product product = new Product();
     product.Name = "Apple";
     product.Expiry = new DateTime(2008, 12, 28);
     product.Price = 3.99M;
     product.Sizes = new string[] { "Small", "Medium", "Large" };
     return Content(JavaScriptConvert.SerializeObject(product));
 }

$.ajax({
            type: "POST", /* GET OR POST */
            url: "JSON_MVC_URL_HERE", /* your url here */
            dataType: "json", /* json or xml */
            data: null, /* JSON CODE HERE TO SET GET OR POST BACK PARAMS */
            success: function(data){
                alert(data.Name); /* Gets Name Element */
                alert(data.Expiry); /* Gets Expiry Element */
                alert(data.Price); /* Gets Price Element */
                jQuery.each(data.Sizes, function() { /* Get Each Size */
                    alert(this);
                });
            }
        });