1. Simple Controls A. Write a program to take the price of raw materials A & B from the user and hence compute the cost price. Show the same to the user in a box and then calculate the selling price with 20% profit added to the cost price. Show the same in a separate box. Use four text boxes and name them properly B. Now add a button to the earlier program so that you can run the calculations when the button is clicked and not at Form_Load or Form_Click. If you dont know about buttons ... look below C. Now add a check box (called AddProfit) to the earlier code / form. Hence change your code so that, it will add the profit to the cost price, only it the AddProfit box is checked (i.e. there is a tick mark in it) else, it should simply show the cost price as selling price About Buttons: Use the toolbox you see on the left, OR open the same from the spanner & hammer icon on the top. Click on the plain rectangle below the "A" icon and to its right. Then drag and drop on
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