Contribute cover: Betalen met munten en biljetten

 _    _      ___      ______     ___    
| || | ||   / _ \\   /_   _//   / _ \\  
| || | ||  | / \ ||  `-| |,-   | / \ || 
| \\_/ ||  | \_/ ||    | ||    | \_/ || 
 \____//    \___//     |_||     \___//  
  `---`     `---`      `-`'     `---`