During an audit it was determined that the management in Heavy Earth-Moving Vehicles Resales in Queensland do not consistently comply with the Head Office policy that sealed bids be used to sell obsolete vehicles. An audit of the sales records shown that several vehicles with recent major repairs were sold at negotiated prices. The management vigorously assured the auditor that performing limited repairs and negotiating with knowledgeable buyers resulted in better sales prices than the sealed-bid procedures. Upon further investigation it was revealed that the vehicles were sold to employees at prices well below market value. Four managers and eight other employees pleaded guilty to criminal charges and made restitution. Required a. List fraud symptoms that should have aroused the auditors suspicion. (6 marks) b. What audit procedures would show that fraud had in fact occurred? (9 marks)