Ted orders a pizza from an Italian restaurant in Brisbane, owned by Johnny, who is also the chef. The pizza contains rotten pineapple, and as result, Ted suffers food poisoning. His symptoms do not go away, and in fact, worsen over the following week. Ted visits the hospital and is advised by the doctors that the food poisoning has worsened a pre-existing acid imbalance in Ted's stomach, triggering a stomach ulcer that is going to require extensive medical treatment, which is likely to cost approximately $800,000. Can Ted recover the cost of this medical treatment from Johnny? In your answer focus on whether or not the harm suffered by Ted was caused by Johnny's breach of duty.