When a parent uses the acquisition method for business combinations and sells shares if its subsidiary which of the following statements is incorrect?

a. if majority control is not maintained but significant influence exist the equity method is still used to account for the investment and consolidated financial statements are still required

b. if majority control is not maintained but significant influence exist the equity method to account for the investment is still used but consolidated financial statements are not required

c. if majority control is not maintained and significant influence no longer exists a prospective change in accounting principle to the fair value mathod is required

d. if majority control is still maintained consolidated financial statements are still required

e. a gain or loss calculation must be prepared if control is lost