Which one of the following best describes why ratemaking data must be adjusted after they are collected?

Select one:

A$.$ Because the collected data are generally not sufficiently detailed or accurate.

B$.$ Because the methods of collecting the data vary.

C$.$ Because the raw data collected vary by territory, whereas the developed rates will be used for an entire state.

D$.$ Because the raw data reflect conditions from present and past periods, whereas the developed rates will be used in the future.