Please help answer the attached questions. There is no word limit.

OQ2.1. Explain and discuss why a general knowledge of financial statements and financial statement analysis is important to business professionals when considering and evaluating business relationships with suppliers and clients along the supply chains and value chains within their industry (See Wikipedia for brief definitions of supply chain and/or value chain.). OQ2.2. List and explain key fundamental and basic features of the 3 key financial statements. Why does the question indicate \"3\" versus \"4\" key statements? Of the 4 major statements, which one is essentially a subset of 1 of the other 3? Explain. OQ2.3. A. What is the balance sheet identity, aka accounting definition? B. Which 1 of the 3 account types in the balance sheet identity is considered the residual account? For example, if obsolete inventory is written off the books, what are the changes to the balance sheet identity equation