For the past three years, the client has limited the auditor's ability to observe the annual physical inventory.As the inventories were material, the auditor expressed a qualified opinion on the financial statements.In the current year ended 31 December 2017, the auditor was able to observe yearend physical inventories.To save costs, the client requested the auditor not to perform audit procedures on the opening inventory as at 1 January 2017.

What is the appropriate type of audit opinion for each of the above scenarios.and what ISA says so