Solve Write a Mixed Numeral for the Answer $23 \frac{1}{2}$ Inches by 10 Inches, Bordered By

Solve. Write a mixed numeral for the answer.
-Mr. Meredith is building a table. The top will have a piece of marble $23 \frac{1}{2}$ inches by 10 inches, bordered by $1 \frac{1}{4}$ inches of wood on all four sides. Give the overall dimensions of the table top.

A) $24 \frac{1}{2}$ in. by $11 \frac{1}{2} \mathrm{in}$ .
B) 26 in. by $12 \frac{1}{2}$ in.
C) $26 \frac{1}{2}$ in. by $12 \frac{1}{2} \mathrm{in}$ .
D) 26 in. by 12 in.