Consider the employee database of Fig. 1, where the primary keys are underlined. For each of the following questions, give: (1) a relational algcbra cxpression (2) a tuplc rclational calculus cxpression (3) a domain relational calculus expression. employee(employee-id, employee-name, street, city works(emplovee-id, company-id, salary) companv(company-id, company-name, city) manages(employee-id,manager-id) Figure 1. Employee database Note: For each tuple of the manages relation, the manager-id is the manager's employee id. Note: This database is not the same as many answers on this platform, notice the relations between each table Find all employees in the database who live in the same cities as the companies for which they work a) b) Find all cmployccs in the database who live in the same citics and on the same strects as do their managcrs. c) Find all cmployccs in the databasc who do not work for the First Bank Corporation