Ali and Moshi were evaluating the following procedures for testing the salary expense the auditor is vouching from the duplicate sales invoices to related shipping documents with respect to their current transaction related audit objective

1.Ali said :you're performing observation

2.most she said :this type of evidence not relevant

a)only statement 1 is true

b)only statement 2 is true

c) both statement 1 and 2 is true

d) neither statement 1 and 2 is true