Question 9: (Maps to student outcome: a, b, c, k) Consider the relational database whose schema is shown below: Lives (person-name, street, city) Works (person-name, company-name, salary) Located-in (company-name, city) Manages (perso-name, manager-name) The primary key for each relation is denoted by the underlined attribute. Write the following queries in Relational Algebra: a. Find the name of all employees who work for the Ruston Bank' (a specific company name b. Find the name, street, and city in the database. of all employees who work for the Ruston Bank' and earn more than $10,500