Hollerith's Machine Was Used to Process the 1890 U

Multiple Choice

Hollerith's machine was used to process the 1890 U.S. Census data in ____, as opposed to the decade it usually took to process the data manually.

A) two and one-half years
B) six  and one-half  years
C) four  and one-half  years
D) eight  and one-half years