angularjs two comboboxes bound to different models how can I get models that are selected

I want to have two combo boxes built based on an array of objects in angular.  One is bound to positions, the other is bound to transactions.  I want to select one row on each then click a button and pass each into a function.

Q: How can I pass the selected position and the selected transaction into a function when a user clicks a button?

<select size="10">
<option ng-repeat="transaction in transactions" value="{{transaction.id}}">{{transaction.symbol}}</option>
</select>  

<select size="10">
<option ng-repeat="position in positions" value="{{position.id}}">{{position.title}}</option>
</select>

<button ng-click="?????????">

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jackjohnson44Asked:
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leakim971PluritechnicianCommented:
Check this : http://jsfiddle.net/rB9Qn/

<form ng-app ng-controller="myCtrl">
    <select size="10" ng-model="currTansaction" ng-options="transaction.symbol for transaction in transactions"></select>
    <select size="10" ng-model="currPosition" ng-options="position.title for position in positions"></select>
    <button ng-click="readTransactionANDPosition()">CLICK</button>
</form>

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function myCtrl($scope) {

    $scope.transactions = [{id:1,symbol:"$"},{id:2,symbol:"€"}];
    $scope.currTansaction = $scope.transactions[0];

    $scope.positions = [{id:1,title:"services"},{id:1,title:"goods"}];
    $scope.currPosition = $scope.positions[0];

    $scope.readTransactionANDPosition = function() {
        var transaction = $scope.currTansaction.symbol;
        var position = $scope.currPosition.title;
        alert("Transaction is: " + transaction + "\nPosition is: " + position);
    }
}

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