input & ng-repeat

HTML

<h1>Select </h1>

<div ng-app="" ng-controller="OrderCtrl">

       <div class="radio"  ng-repeat="delivery in deliveries">
            <label>
                <input type="radio" name="radioDelivery"  ng-value="delivery" ng-model="$parent.selectedDelivery">
                {{delivery.name}}. {{delivery.desc}}
                <select>
                    <option ng-repeat="tax in delivery.tax" ng-value="tax" ng-model="$parent.selectedTax">{{tax.town}}  {{tax.price}} $ </option>
                </select>
            </label>
        </div>
  
    <br>Delivery: {{selectedDelivery.name}}
    <br>Tax delivery: {{selectedDelivery.tax[0].price}} </div>

JavaScript

OrderCtrl = function ($scope) {



    $scope.deliveries = [{
        name: "RussianPOST",
        tax: [{
            town: "Moscow",
            price: 10,
        }, {
            town: "Izhevsk",
            price: 30,
        }]

    }, {
        name: "DHL",
        tax: [{
            town: "Moscow",
            price: 50,
        }, {
            town: "Izhevsk",
            price: 100,
        }]
    }

    ];


    $scope.selectedDelivery = $scope.deliveries[0];
    $scope.taxDelivery = $scope.deliveries[0].tax[0];
}