The Frequency Distribution Below Summarizes the Home Sale Prices in the City

The frequency distribution below summarizes the home sale prices in the city of Summerhill for the month of June. Determine the width of each class. $\begin{array}{r|c}\text { Sale Price (in thousand } \$) & \text { Frequency } \\\hline 80.0-110.9 & 2 \\111.0-141.9 & 5 \\142.0-172.9 & 7 \\173.0-203.9 & 10 \\204.0-234.9 & 3 \\235.0-265.9 & 1\end{array}$

A) 61
B) 31
C) 28
D) 30