The image below gives the breakdown of total deviation from the mean for the $119 book into explained and unexplained parts.

For the $119 textbook, what proportion of total deviation is explained by the number of pages when using the Least Squares Regression line?

A.
21.3%

B.
74%

C.
28.6%

D.
7.3%

E.
26%

Unfortunately, the image provided is not visible, so it is not possible to determine the proportion of total deviation that is explained by the number of pages when using the Least Squares Regression line.