RELATIONAL ALGEBRA HELP THANKS

3. ( 6 points) Write the following queries in relational algebra, using the schema below, where the primary keys are underlined. employee (eid, ename, street, city) company (cid, cname, city) works (eid, cid, salary) manages (eid, manager id) (note: manager_id is a foreign key referencing eid in employee relation. In other words, managers are also employees.) a. Find the eids, enames, street, and cities of residence of all employees who work for "First Bank Corporation" and earn more than $10,000. b. Find the eids and enames of all employees who live in the same city as the company for which they work. c. Find the ename of Peter Parker's manager