Jacob was found guilty of defrauding his employer. The principle of parity requires

a) A judge considers whether there any aggravating and mitigating factors in a case

b) A judge examines prior decisions in a similar cases and imposes a sentence similar to those imposed in the past for similar offences

c) a judge considers whether options other than imprisonment would be appropriate in this case

d) the judge imposes a sentence that properly reflects the gravity of jacobs offence