This is an advanced accounting multiple choice question that I got wrong. And I would like to know the correct answer for future studying. Thank you.

LU Lid. purchased the outstanding common shares of MU Inc. as follows: 10%, January 2, 2019 25%. June 1, 2019 25%, August 1, 2019 40%. September 30. 2019 The fiscal year of each company ends on September 30.LU acquired MU's shares at book value. Which of the following earnings of the subsidiary would be included in LU's consolidated net income for the fiscal year ended September 30, 2019? Multiple Choice O 60% of earnings, August 1 to September 30, 2017 O 35% of earnings, January 2 to July 31. 2017 X 100% of earnings, August 1 to September 30. 2017 O 10% of earnings, January 2 to May 31, 2017