Edit in JSFiddle

angular.module('shopping',[])
			.value('shopping_cart_operations',{
				items : [
					{Name: "Soap", Price: "25", Quantity: "10"},
					{Name: "Shaving cream", Price: "50", Quantity: "15"},
					{Name: "Shampoo", Price: "100", Quantity: "5"}
					],
				addItem: function(item){
					this.items.push(item);
				},
				totalPrice: function(){
					var total = 0;
					for(count=0;count<this.items.length;count++){
						total += this.items[count].Price*this.items[count].Quantity;
					}
					return total;
				},
				removeItem: function(index){
					this.items.splice(index,1);
				}
				
			})
			.filter('rupee',function(){
				return function(item){
					return "Rs. "+item+".00";
				}
			});

function ShoppingCartCtrl($scope,shopping_cart_operations)  {
	$scope.items = shopping_cart_operations.items;
	$scope.item = {};

	$scope.addItem = function(item) {
		shopping_cart_operations.addItem(item);
		$scope.item = {}; //clear out item object
	};
    
	$scope.totalPrice = shopping_cart_operations.totalPrice;
		
	$scope.removeItem = function(index){
		shopping_cart_operations.removeItem(index);
	};
		
	$scope.mySortFunction = function(item) {
		if(isNaN(item[$scope.sortExpression]))
			return item[$scope.sortExpression];
		return parseInt(item[$scope.sortExpression]);
	}
}

<div ng-app="shopping">
		<div ng-controller="ShoppingCartCtrl">
		<div>Sort by: 
            <select ng-model="sortExpression">
					<option value="Name">Name</option>
					<option value="Price">Price</option>
					<option value="Quantity">Quantity</option>
				</select>
            </div>
			<br />
			<div><strong>Filter Results</strong></div>
			<table>
				<tr>
					<td>By Any: </td>
					<td><input type="text" ng-model="search.$" /></td>
				</tr>
				<tr>
					<td>By Name: </td>
					<td><input type="text" ng-model="search.Name" /></td>
				</tr>
				<tr>
					<td>By Price: </td>
					<td><input type="text" ng-model="search.Price" /></td>
				</tr>
				<tr>
					<td>By Quantity: </td>
					<td><input type="text" ng-model="search.Quantity" /></td>
				</tr>
			</table>
            <br />
			<table border="1">
				<thead>
					<tr>
						<td>Name</td>
						<td>Price</td>
						<td>Quantity</td>
						<td>Remove</td>
					</tr>
				</thead>
				<tbody ng-repeat="item in items | orderBy:mySortFunction | filter:search">
					<tr>
						<td>{{item.Name}}</td>
						<td>{{item.Price | rupee}}</td>
						<td>{{item.Quantity}}</td>
						<td><input type="button" value="Remove" ng-click="removeItem($index)" /></td>
					</tr>
				</tbody>
			</table>
			<br />
			<div>Total Price: {{totalPrice()}}</div>
			<br />
			<table>
				<tr>
					<td>Name: </td>
					<td><input type="text" ng-model="item.Name" /></td>
				</tr>
				<tr>
					<td>Price: </td>
					<td><input type="text" ng-model="item.Price" /></td>
				</tr>
				<tr>
					<td>Quantity: </td>
					<td><input type="text" ng-model="item.Quantity" /></td>
				</tr>
				<tr>
					<td colspan="2"><input type="Button" value="Add" ng-click="addItem(item)" /> </td>
					
				</tr>
			</table>
		</div>
	</div>

.bold { font-weight:bold; }

table td{
    padding: 10px;
}

table th{
    font-weight: bold;
    text-align: center;
}