A line graph captioned 'Accurate Copies of DNA Produced by PCR'. On the x-axis 'Cycle Number' from 14 to 30 with an increment of 4 and on y-axis 'Number of Accurate Copies of Original DNA Template' from 1 to 10,000 with an increment of 10 times. The line graph is shown increasing gradually from (15 comma 5) to (30 comma 9,000).