1 The accounts receivable department has documented the following defects over a 30-day period: Category Frequency Invoice amount does not agree with the check amount 108 Invoice not on record (not found) 24 No formal invoice issued 18 Check (payment) not received on time 30 Check not signed 8 Invoice number and invoice referenced do not agree 12 What techniques would you use and what conclusions can you draw about defects in the accounts receivable department? Problem 2 Refer to Mini-case: Rework and Morale Required: Discuss the key element in Crown Audios' quality initiatives in attaining the positive and dramatic changes