Which of the following is an example of a change in accounting estimate?

None of the listed options.
A change in the estimated useful life of a depreciable asset.
A change in inventory costing methods.
A change from the cost model to the fair value model for the measurement of investment properties.

If a company decides to apply the fair value model on its investment property rather than the cost model that it has been adopting, how does this affect the financial statements?
Only the estimation technique has change and so it must be reported prospectively.
Accounting policy is unchanged so there is no further disclosure.
It is a change in accounting policy so it must be reported retrospectively.
The estimation technique is unchanged so there is no further disclosure

Which of the following statements is true?

All the statements listed are true.

The present obligation under an onerous contract shall be recognised and measured as a provision.
Changes in management structure is an example of a restructuring cost.
Provisions shall not be recognised for future operating losses.