Free sugar joke for kids

A guy walked in a restaurant for breakfast and he sat on a chair and in front of him a nice round table. A waiter came to him in seconds.

Waiter: Good morning sir what can I get for you?

Guy: Good morning to you too and how much is a cup of tea?

Waiter: 1 dollar and 50 cents.

Guy: And sugar?

Waiter: We do not sell Sugar it's free.

Guy: Good. Bring 1 cup of tea and 2 Kilograms of sugar.