Angular checkbox training

HTML

<h1>Shop</h1>

<div ng-app="" ng-controller="MyCtrl">
    <input type="checkbox" ng-model="status.addTable" ng-change="addTable()" />Add table!
    <br>
    <input type="checkbox" ng-model="status.addBed" ng-change="addBed()" />And bed!
    <br><br>
    <p>Your cart:</p>
    <p>Summa: {{data.summa}}</p>
        
        <div ng-repeat="nom in personne">
            
            <a style="color:red;font-weight:bolder">{{nom.name}}</a>
        
        </div>    
</div>

JavaScript

function MyCtrl($scope) {

    $scope.data = {
        summa: 0
    };

    $scope.price = {
        table: 500,
        bed: 400
    }

    $scope.status = {
        addTable: false,
        addBed:false,
    };

    $scope.addTable = function () {
        if ($scope.status.addTable) {
            $scope.data.summa += $scope.price.table;
        } else {
            $scope.data.summa -= $scope.price.table;
        }
    };

    $scope.addBed = function () {
        if ($scope.status.addBed) {
            $scope.data.summa += $scope.price.bed;
        } else {
            $scope.data.summa -= $scope.price.bed;
        }
    };

    $scope.personne=[{'name':'Rakoto'},{'name':'Nicolas'},{'name':'Dina'}];
    
    

}