Here Are the Summary Statistics for the Monthly Payroll for an Accounting

Here are the summary statistics for the monthly payroll for an accounting firm: lowest salary = $\$ 15,000$ ,mean salary = $\$ 35,000,$ median = $25,000,range = $60,000,
IQR = $30,000,first quartile = $$\$ 17,500,$$ standard deviation = $20,000.
Between what two values are the middle 50% of the salaries found?

A) $15,000 and $75,000
B) $17,500 and $37,500
C) $17,500 and $30,000
D) $35,000 and $25,000
E) $17,500 and $47,500