80 points] Consider the employee datihuse of Fig l. 1, where the primary keys are underlined. For each of the follo expression, (2) a tuple relationalein (uestiong (1) a rela expression, and (4) aLeresin, (3) a domain relational calculus query highest paid emploges in every city. That is, you shall generate a highestPaidEmployesicity, employee-name, company-name) relation b. Find the highest paid manager in cvery city. That is, you shall generate a relation highestPaidManagers(city, manager-name, company-name) employee(employee-id employee-name, street-number, street, citv) works(emploeld company-id, salary) company(compae : company-name, citv) manager-id) manages Figure 1. Emplove database I. Emploje database of Fig. 1, where the primary keys are 120 points] Consider SOL query mily ithe sum of salaries of employees living at he emplo to fad the highest paid families in every city underlined. Write an Sooe l glitie arelation sume that the totalote tha ely-income, street-mumber, street, city) the same address. highest