Write a PHP script to develop a simple web page for an online shop to help the owner of the shop to manage his sales. The shop offers only three different items with different prices and gives a different percentage discount (%) on every sold item.

You need to develop the web page by using only the basic HTML tags that you learnt in M275. The web page should satisfies the following specifications:

1- Displays the name of the online shop. [1 mark]

2- Displays the name, the unit price and the percentage discount of each item. [4 marks]

3- Interacts with a customer to enter the number of units s/he wants to buy from each item. [4 marks]

4- Computes and displays the percentage discount of each sold item. [3 marks]

5- Computes and displays the total amount of each item sold. [4 marks]

6- Computes and displays the total amount of all sold items before and after applying the discount. [4 marks]

7- Computes and displays the total discount amount. [3 marks]

8- Display a suitable message if the customer enters wrong values.