Harry Holzer's Research Investigating the Relationships Between Firm Size and Employment

Harry Holzer's research investigating the relationships between firm size and employment hiring practices indicates that:

A) large companies hire much smaller percentages of Black employees than small companies.
B) small companies hire much smaller percentages of Black employees than larger companies do.
C) small and large companies employ about the same percentages of Black employees.
D) larger firms are less likely to have formal hiring practices than smaller firms.