Programming Language C#

I need this assignment As soon as possible please help me. And please its a request to use WP AND DATA GRID. This is the third time I am posting this answer. and please use combo box for menu. How many times do i have to post the same question? Purpose: The purpose of this assignment is to help you:

Become familiar with WPF Data binding

Learn to use advanced GUI

Question 1 [15 marks] (Restaurant Bill Calculator) A restaurant wantsa WPF appthat calculates a tables bill. The app should display all following menu items (shown below) in four ComboBoxes. Each ComboBox should contain a category of food offered by the restaurant (Beverage, Appetizer, Main Course and Dessert). The user can choose from one of these ComboBoxes to add an item to a tables bill. As each item is selected in the ComboBoxes, add to the DataGrid Control, and add the price of that item to the bill. The user can click the Clear Bill Button to restore the Subtotal:, Tax: and Total: fields to $0.00. Add your student name and your companys (i.e., Centennial College) logo at the status bar, when user clicks the logo, companys website is opened in Internet explorer. Question2 [5 marks] (Login User Control) Create a UserControl (similar as below) calledLoginUserControlthat contains two labels and two TextBoxs.LoginUserControlmust provide public read-only properties that allow an application to retrieve the user inputs (i.e., login name and password). Write a driver to testLoginUserControl. Rubric Question 1 Functionality Marks WPF GUI (XAML) 2 Data Binding + ObseverableCollection 1+1 Status Bar 1 Functionality

Selected item(s) from combobox is added to the DataGrid row; if the selected item(s) exists in the DataGrid, change the quantity of the corresponding items rather than add new row

The selected item can be removed from the DataGrid

The quantity can be updated directly in DataGrid

The invoice is generated correctly

3+2+2+2 Overall, 1 Question 2 Functionality Marks UserControl 1.5 Dependency Property 1.5 Application to useLoginUserControl 2