How do I solve the following problems? And what are the correct answers? Thank you!

PROBLEM 1

Jean Company and Kristine Company are fuel distributors. To facilitate the delivery of oil to their customers, jean and Kristine exchanged ownership of 1.200 barrels of oil without physically moving the oil. Jean paid Kristine P500.000 to compensate for a difference in the grade of oil. It is expected that the cash flows from the assets will be significantly different. On the date of the exchange, carrying amount and market value of the oil were: Kristine Company Jean Company Carrying amount 1.000,000 1400.000 Market value 1,200 000 1.500.000 What amount should Jean Company record as cost of the oil inventory received in exchange?Emman Company purchased for P8,000,000 cash and assumed an existing P2,000,000 mortgage, including appraiser fee of P100,000, a building and a land on which it is located. The land had an appraised value of P4,500,000 and original cost of P3,000,000. The building had an appraised value of P7,500,000 and original cost of P7,000,000. What is the total cost of the land?On January 1. 2019, Marjo Company purchased for P4,800,000 a machine with a useful life of ten years and a residual value of P300,000. The machine was depreciated by the double declining balance and the carrying amount of the machine was P3.072,000 on December 31, 2020. The entity changed to the straight line method on January 1, 2021. The residual value did not change. What is the carrying amount of the machine as of December 31, 2021