kfc has sold me defective and toxic food

i came to the kfc at maynard mall and spent R90 on a meal. i have directly after the meal been sick for now the 3rd day. please tell me how you think yiu can sell unhealthy food to yiur customers like this? i have wasted my money, my time and i have lost days of work due to this stores negligence. please could you refund me at least for the food that was unhygienic and not fit for consumption. obviously it the workstations are not cleaned properly and food is nkt cooked appropriately.