please explain the answer

On Jan. 1, 2021, Pop acquired 80% interest in Son for SAR 5,000,000, when Son's stockholders' equity consisted of SAR 2,000,000 capital stock, SAR 1,000,000 additional paid in capital, and SAR 800,000 retained earnings. On the date that Son became a subsidiary of Pop, Son's assets and liabilities book values and fair values are the same except for the following: Son reports SAR 1,055,000 net income for 2021 and declared dividends of SAR 300,000 Dec. 1, 2021. During 2021 Pop Corporation (parent) sells merchandise that it purchased for SAR 300,000 to Son Corporation (subsidiary) for SAR 600,000 and that Son Corporation sold 40 percent of the merchandise to outsiders during the year for SAR 800,000 . Also, Pop sold a land that cost SAR 1,000,000 to Son for SAR 1,300,000. Son still uses the land. Summary Pop and Son's account balances at December 31, 2021, follow (in thousands): REQUIRED Prepare workpapers to consolidate the financial statements of Pop Corporation and Subsidiary at and for the year ended December 31, 2021. (Support your answer with proper calculations and related workpaper entries) note that you need to make some preliminary computation and find some balances