In a volatile business environment, to increase the competency and add new competitive advantages, organisations rely on supplier relationship management. Having healthy relationships with the suppliers helps organisations to receive better service, procure more efficiently, and maintain a sustainable relationship over the long run.

In the context of the case study, provide a comparison of how COVID-19 would have impacted the inventory accounting system of Toyota, both perpetual and periodic system and explain how the three costs associated with inventory would have affected the supply chain during this pandemic?. Use relevant examples to justify your proposition.