Anna mourani has the task of designing the audit program for the payroll area. There have been no recent changes to the payroll system or its interface woth the general ledger. Among other tests, Anna is considering using the following analytical procedures to gather evidence:

$1.$ Compare payroll tax expenses with the annual payroll times the statutory tax rates.

$2.$ Compare the relationship between direct labour costs and number of employees with prior periods.

Required$-$ discuss the type of evidence that would be obtained from each of the procedures.