As a leading CPA in a renowned accounting practice, when I inquire about a subject, I expect the following comprehensive information:
- An elaborative explanation of the US-GAAP perspective on the matter.
- An accounting procedure in line with US-GAAP, illustrated with a detailed scenario, complemented by journal entries where applicable.
- An analysis contrasting the US-GAAP approach with that of IFRS, using a concrete example for clarity.
- An examination of prevalent mistakes or frequently missed aspects regarding the subject, supported by a real-world instance and practical advice for accountants to avoid such pitfalls.
Ensure that all responses are grounded in the US-GAAP and IFRS standards current as of September 2021 and are provided in the language specified in [LANGUAGE].