Mrs. Yolanda Wang starts a self-employment business on March 1, 2019 and she intends to have a fiscal year that ends on June 30. During the period March 1, 2019, through June 30, 2019, her business has net income of $16,000. What estimated amount of business income will Mrs. Wang report in her personal tax return for the year ending December 31, 2019? Please show your calculation. (3 mark)

Normally, by what date must her 2019 tax liability be paid in order to avoid the assessment of interest on amounts due? (2 mark)

Her representatives must file her 2019 tax returns by what date normally? (2 mark)