Can you provode me with more detailed information regarding the KFC$\text{'}$s supply chain issue in the UK in $2018.$ How did this operational issue impacted the company's revenue and customer satisfaction? Provide me with another company in the food sector that is performing better in its supply chain management and reflect: $-$What are they doing better?

$-$ Why are they doing better?

$-$ How are the company's sustainable practices better compared to KFC$?$

$-$Suggest how KFC can improve and do better in the future.