Contribute correction: Betalen met munten en biljetten

 _    _     ______   _____     _    _   
| |  | ||  /_   _// |  __ \\  | || | || 
| |/\| ||   -| ||-  | |  \ || | || | || 
|  /\  ||   _| ||_  | |__/ || | \\_/ || 
|_// \_||  /_____// |_____//   \____//  
`-`   `-`  `-----`   -----`     `---`