Question 12: Database (5 marks) Below are a set of two tables that comprise a job costing database from a household services company Job ChargeTable Employee Information Table Required: 1.In the Job Charge table, what field(s) should be made the primary key? Please explain. (1.5 marks) 2. If we want to link the two tables together, in the Job Charge table, what field(s) should be made the foreign key(s)? Please explain. (1.5 marks) Describe one potential problem of storing the data in this format, providing an example of the problem using the database above. ( 2 marks)