An entity began operations on January 1, 2020. The financial statements contained the following errors: 2020 2021 Ending inventory 800,000 under 400,000 over Depreciation 150,000 under Insurance expense 50,000 over 50,000 under Prepaid insurance. 50,000 under In addition, on December 31, 2021, a fully depreciated equipment was sold for P100,000 cash but the sale was not recorded until 2022. Before income tax, what is the total effect of the errors on Working Capital on December 31, 2021?