please help explain the steps on getting the adjusting journal entry of the transaction below:

Additional information determined for adjustment for December 31, 2020: a) Depreciation of the store equipment is P2,000 and that of office equipment is P3,000. Office supplies used during the year amounted to P1,000. C Insurance expired during the year is P500. d) Ending inventory amounted to P15,000 e) Doubtful accounts at the year end are estimated to be P1,000. Unpaid utilities at year end amounted to P24,000