The eigenvalues of matrix A = \(\left[ {\begin{array}{*{20}{c}} 8&3\\ 2&7 \end{array}} \right]\) are 5 and 10. For matrix B = A + αI, where α is a constant and I is 2 × 2 identity matrix, its eigenvalues are

• A. 5, 10
• B. 5 + α, 10 + α
• C. 5 - α, 10 - α
• D. 5α, 10α