The poor old lady had no money to pay for her shopping. The cashier paid the bill, not knowing that the next day the boss would call him.
The 21-year-old was in his second year at university. After losing his parents in a tragic car accident as a child, Tim found last solace in his grandmother, 65-year-old Elsa. 
He worked part-time as a cashier at a local supermarket to pay for school and arthritis medication for his grandmother. So this job was something he couldn’t risk under any circumstances…
He quickly rode his bicycle to his workplace and stood behind the counter to work with customers.
Among them was an elderly woman named Christina. She wandered for a long time through the various aisles, filling her cart with groceries and baby products. 
Tim sat down to rest after dealing with the last customer in line. He heard a cart roll up to the counter.
“Let me help you,” he said when he saw Christine struggling to lift the jar of oil.
