(a) Write down the relation algebra operation to create a table called ExxonProject that contains all rows where sponsor name is Exxon Group from the Research Account table. (b) Show the result of this operation in a tabular format.

(c) Write down the relation algebra operation to create a table called ExxonAccountInfo that contains Account Number, Account Title, and Amount of Funding of all Exxon projects from the table ExxonProject created in parts a and b. (d) Show the result of this operation in a tabular format.