For each tax position taken on its 2010 federal tax return: a. When can 3D Printing assert an effective settlement? b. When should 3D Printing adjust previously recognized amounts in the financial statements, if any? 2. Does 3D Printing have a basis to change its assessment of similar tax positions taken in other periods if it concludes it meets the effective settlement conditions related to the UTPs included in its 2010 tax return? 3. If 3D Printing were to report under IFRSs, what are the main differences in accounting for uncertainty in income taxes it would encounter?