Consider the following relation schemas and their respective sets of functional

dependencies. Determine and justify the highest normal form for each relation. $(6$ marks$)$

a$.$ R$($Name$,$ CourseNo, RollNo, Grade$)$ with the following functional dependencies:

i$.$ RollNo $$ Name

ii$.\{$RollNo$,$ CourseNo$\}$ Grade

iii. CourseNo $$ Grade

b$.$ R$($VoterID$,$ VoterName, BirthDate, Years, VotingEligibility$)$ with the following

functional dependencies:

i$.$ VoterID $$ VoterName, BirthDate

ii$.$ BirthDate $$ Years

iii. Years $$ VotingEligibility