5 The following are the expected quality costs for a firm for a selected period. Line inspection $ 1000 Normal spoilage identified $ 500 0/10 Design engineering $ 20 000 po'msawarded Returned goods $ 4000 Customer problems and complaints $ 3000 Rework $ 5000 Preventive maintenance $ 5000 Product liability claims $ 30 000 Incoming materials inspection $ 1500 Breakdown maintenance $ 2000 Product-testing labour $ 6000 Training $ 4000 Supplier evaluations $ 2000 Calculate the amount of prevention costs. Multiple Choice