During an operational audit of a chain of pizza delivery stores, an auditor determined that cold pizzas were causing customer dissatisfaction. A review of oven calibration records for the last six months revealed that adjustments were made on over 40 percent of the ovens.

During an operational audit of a chain of pizza delivery stores, an auditor determined that cold pizzas were causing customer dissatisfaction. A review of oven calibration records for the last six months revealed that adjustments were made on over 40 percent of the ovens.

Based on this, the auditor:
A . Has enough evidence to conclude that improperly functioning ovens are the cause.
B . Needs to conduct further inquiries and reviews to determine the impact of the oven variations on the pizza temperature.
C . Has enough evidence to recommend the replacement of some of the ovens.
D . Must search for another cause since approximately 60 percent of the ovens did not require adjustment.

Answer: B