Jessa, single, gave the following donations during the year June 4, 2018 To her daughter, Ana on account of marriage to be celebrated in five months, 500,000 To the City of Iloilo for relief operations, P500,000 August 4, 2018 To her housemaid, Inday, on account of marriage to his driver, Buboy, 100,000 November 4, 2018 To her son, Jojo, for passing the CPA exam, 120,000 January 4, 2019 To his bodyguard, Mark on account of marriage to his private secretary, 300,000 Compute the following a. The Total Gross Gift on June 4, 2018 b. Donor's tax due on June 4, 2018 donation C. Donor's tax due on August 4, 2018 donation d. Donor's tax due on January 4, 2019 donation