Each Day,the Office Staff at Oasis Quick Shop Prepares a Frequency

Each day,the office staff at Oasis Quick Shop prepares a frequency distribution and an ogive of sales transactions by dollar value of the transactions. Saturday's cumulative frequency ogive follows. The percentage of sales transactions on Saturday that were between $100 and $150 was _____________.

A) 20%
B) 40%
C) 60%
D) 80%
E) 10%