Google Code-in

In the activity "changes":

You will show an amount in dollars randomicly in the first label. This number don't have to be greatter than 1000 dollars.

You should add buttons and code them in order to make them work. The result it will show in the biggest box.

These are the amounts you will have to code in the buttons: 1, 2, 5, 10, 20, 50, 100 dollars.

The users should click the buttons, as many times as it needs until they reach the amount of the random number.