MQC on september X company acquired for cash all of y company outstanding common stock. the accounting year of both the companies end on December 31. 2019. consolidation net income for the year end should include net income of

1- X company for 12 months and y company for 3 months

2- X company for 3 months and y company for 3 months

3- X company for 12 months and y company for 12 months

4- X company for 12 months but no income from Y company until Y company distributes a dividend