Generally accepted auditing standards $($the performance principle$)$ require auditors to gather sufficient appropriate evidence on which to base an opinion.Required:a$.$ & b$.$ For each of the following, identify whether it is most appropriately associated with Sufficiency or Appropriateness of audit evidence. If your answer is Appropriateness, further identify whether it relates to Relevance or Reliability.c$.$ For each of the following, determine the hierarchy of the source of evidence from the most reliable $(1)$ to least reliable $(3).$d$.$ For each of the following, determine how the effectiveness of the entitys internal control affect the sufficiency and appropriateness of evidence gathered by auditors.