Compute for the tax due of the following self-employed individuals: (PHILIPPINES)

1.Ms. Anna Frozen operates an ice cream store while she offers bookkeeping services to her clients. In 2018, her gross sales amounted to P400,000, in addition to her receipts from bookkeeping services of P150,000. She already signified her intention to be taxed at 8% income tax rate in her 1^st quarter return. What is her tax due liability in her 1^st quarter return?

2.Mr. John Wick operates books stores and renders services as a professional broker. In 2018, his gross sales amounted to P800,000. In addition to that, he received P300,000 from his services as a broker. Assume that he failed to signify his intention to be taxed at 8% income tax rate on gross sales in his initial Quarterly Income Tax Return, and he incurred the cost of sales and operating expenses amounting to P600,000 and P200,000, respectively. What is the income tax due to John Wick in his quarterly income tax return?