How do I enter received / delivered bunkering?

Received 

 

 Click on Fill bunkering. 

 At  Operation type , select  Received  and enter the received quantities. 

 Click on  Save. 

 

 Delivery 

 

 Click on  Fill bunkering. 

 At  Operation type , select  Delivered  and enter the delivered quantities. 

 Click on  Save.