Matrix Bank Has Compiled the Following Migration Matrix on Consumer

Matrix Bank has compiled the following migration matrix on consumer loans.Which of the following statements accurately summarizes this data? $\begin{array}{lllll}&\text { Risk Grade at }\\&\text { End of year }\\&&1 & 2 & 3 & 4 \\\text { Risk grade at }&1&.88 & .08 & 02 & .02\\\text { beginning of }\\\text { year }\\2 & 10 & 84 & .03 & .02 \\3 & .02 & .09 & .78 & .11\end{array}$

A) Ten percent of grade two loans were upgraded during the year.
B) Grade one loans have a higher probability of downgrade than grades two or three.
C) Grade three loans have a higher probability of upgrade than grade two loans.
D) Grade three loans have a higher probability of downgrade than grade two loans.
E) All of the options.