Examine the frequency distribution.
Commission last month:
$500-$749/ (frequency): 8
$750-$999/ (frequency): 12
$1,000-$1,249/ (frequency): 23
$1,250-$1,499/ (frequency): 19
$1,500-$1,749/ (frequency): 9
What is the class width of this frequency distribution?
Enter your answer as a dollar amount, like this: $42