According to AASB 108 Accounting Policies, Changes in Accounting Estimates, and Errors, indicate whether the following changes should be accounted for retrospectively (as if the change had always been applied):

	I	II	III	IV
A change in accounting estimate	No	Yes	No	No
A change in accounting policy required by an Australian Accounting Standard (no specific transitional provisions)	Yes	No	Yes	No
An immaterial error discovered in the current year, relating to a transaction recorded 3 years ago	No	Yes	No	Yes
A change in accounting policy made voluntarily	No	Yes	Yes	No

Note: the correct answer is found within one of the four categories (columns above headed I, II, III and IV).

1. I

2. II

3. III

4. IV