I need answers for my ACCA 114 class as soon as possible. the question is attached below

Hey, I want to make sure I have the correct journal entries for the corrections of these situation A. At the end of 2016, Air Tec's controller discovered that $15 million of equipment purchased in January 2014, was expensed instead of recorded as property, plant, and equipment (PP&E). The equipment has a useful life of 10 years and no residual value. Air Tec depreciates equipment using the straight-line depreciation method. B. In December 2015 Air Tec erroneously recorded a $5 million sale on account as a note receivable. C. Air Tec has patents on several of its manufacturing processes. Patent A101 was acquired in at a cost of $500,000 at the beginning of 2010. Patent A101 has been amortized on a straight-line basis since it was acquired. During 2016, due to changes in technology, Air Tec concluded that Patent A101 would benefit the company over a total of 10 years rather than the 20 year life being used to amortize its cost. The decision was made at the end of 2016 (before adjusting and closing entries). please answer provide this information : Your firm has delegated to you the task of determining the treatment of accounting changes and errors as of December 31, 2016, 1. The standards that govern US GAAP treatment of accounting changes and error corrections. 2. How to account for errors that affected prior year's net income (ignore income tax effects). Also, if applicable, prepare the journal entry to correct any error of this type described in the above transactions. 3. How to account for errors that affect prior financial statements but not net income (ignore income tax effects). Also, if applicable, prepare the journal entry to correct any error of this type described in the above transactions. 4. How to account for a change in accounting estimates (ignore income tax effects). Also, if applicable, prepare the journal entry to account for any accounting changes described in the above transactions. 5. The required financial statement presentation and note disclosures regarding accounting changes and error corrections. Also, address the required financial statement presentation and required disclosures for the transactions described on the prior page that concern Michael (ignore income tax effects). In addition, you are to formulate a question to ask the client that would help you determine the different types of transaction(s) in which it could beinvolved that may result in an accounting change, and include that in the conclusion of your memo. A. At the end of 2016, Air Tec's controller discovered that $15 million of equipment purchased in January 2014, was expensed instead of recorded as property, plant, and equipment (PP&E). The equipment has a useful life of 10 years and no residual value. Air Tec depreciates equipment using the straight-line depreciation method. B. In December 2015 Air Tec erroneously recorded a $5 million sale on account as a note receivable. C. Air Tec has patents on several of its manufacturing processes. Patent A101 was acquired in at a cost of $500,000 at the beginning of 2010. Patent A101 has been amortized on a straight-line basis since it was acquired. During 2016, due to changes in technology, Air Tec concluded that Patent A101 would benefit the company over a total of 10 years rather than the 20 year life being used to amortize its cost. The decision was made at the end of 2016 (before adjusting and closing entries). please answer provide this information : Your firm has delegated to you the task of determining the treatment of accounting changes and errors as of December 31, 2016, 1. The standards that govern US GAAP treatment of accounting changes and error corrections. 2. How to account for errors that affected prior year's net income (ignore income tax effects). Also, if applicable, prepare the journal entry to correct any error of this type described in the above transactions. 3. How to account for errors that affect prior financial statements but not net income (ignore income tax effects). Also, if applicable, prepare the journal entry to correct any error of this type described in the above transactions. 4. How to account for a change in accounting estimates (ignore income tax effects). Also, if applicable, prepare the journal entry to account for any accounting changes described in the above transactions. 5. The required financial statement presentation and note disclosures regarding accounting changes and error corrections. Also, address the required financial statement presentation and required disclosures for the transactions described on the prior page that concern Michael (ignore income tax effects). additional info they provided us with Air Tec, Inc., located at 3200 College Avenue, Davie FL 33314, is a publicly traded firm that currently manufactures aeronautical equipment and products it sells throughout United States. Air Tec's fiscal year-end is December 31st. Air Tec is your client and Michael Yin is the President of Air Tec, Inc. You are a newly hired staff member of FAU, Inc., an accounting firm located at 777 Glades Road, Boca Raton, FL 33431. Michael is in the process of preparing the December 31, 2016, classified statement of financial position. Because Michael is unfamiliar with the proper accounting treatment regarding accounting changes and error corrections according to United States Generally Accepted Accounting Principles (US GAAP), he has hired FAU, Inc. to explain the accounting treatment specified by US GAAP. In addition, you are to formulate a question to ask the client that would help you determine the different types of transaction(s) in which it could be involved that may result in an accounting change, and include that in the conclusion of your memo