Pizza Delivery Tip

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So I order some pizza for delivery.
The total is like $15.26

The pizza delivery guy comes to the door,
I give him a $20.

Pizza Guy: "Do you want change?"
Me (thinking): Yeah, I'm not going to tip you like $5 on a $15 order, dipwad"
Me (speaking): Yes

Pizza Guy: "How much change do you want?"
Me (thinking): HOW MUCH CHANGE DO I WANT? WTF!!!! UHHH, HOW ABOUT THE CORRECT AMOUNT? OR MAYBE FORGET THE ODD CENTS AND GIVE ME $4, AND THEN I WILL DECIDE WHAT, IF ANY, TIP YOU GET.

So what do you say to the how much change do you want question?