3 Explain in detail, the differences between IFRS and GAAP (after FASB issued ASU 2017-04 to simplify the accounting for goodwill impairment) regarding the following: i. Assignment/allocation of goodwill. (i.e. The levels at which goodwill is assigned /allocated) ii. Impairment of goodwill and test(s) applied and its steps (i.e., Methods of determining impairment of goodwill) iii. How impairment loss is recognized and allocated. (i.e., impairment loss[charge] calculation and allocation)