Q$7$: $[5$ marks$]$ Consider the Payment relation and its FDs to answer the following questions: Payment $($assistant No$,$ assistantName, job Type, hours, ratePerHour$)$ FD$1$: assistant No $->$ assistant Name, job Type, hours, ratePerHour FD$2$: assistant Name assistant No$,$ job Type, hours, ratePerHour FDs: job Type $->$ ratePerHour a$)[1$ mark$]$ For, what does FD$2$ indicate about assistant Name attribute? b$)[2$ mark$]$ Explain briefly why the above relation is$,$ or is not, in INF, $2$NF$,3$NF and BCNF$?$ If it is not, decompose it to comply with the three normal forms. $[2$ marks$]$ if the job Type attribute is removed from the Payment relation, then in the table below write $"$X$"$ in front of each Normal Form $($NF$)$ to indicate whether it is satisfied it or violated by the relation: Satisfied Violated NF INF $2$NF $3$NF BCNF