For most companies, human resource (labor) costs consume approximately _____ percent of total revenue

You have been assigned to audit the maintenance department of an organization. Which of the following is likely to produce the least reliable audit evidence?

a. Notes on discussions with mechanics in the maintenance operation b. A schedule comparing actual maintenance expenses with budgeted expenses and those of the prior period and disclosing important differences c. A narrative covering review of user reports on maintenance service d. An analysis of changes in certain maintenance department ratios

When determining how credible an author is, what type of question should you consider?

A) Do others frequently cite the source? B) How current is this information? C) Does the author provide support for claims? D) Are any web links broken? E) Does the author acknowledge and respond to opposing points of view?