Morton Bricklayers Group is a nationwide bricklaying company. Morton has an experience rated workers' compensation policy that runs from January 1 to January 1 of each year. Morton's loss experience during year January 1, 2004-2005 will normally affect Morton’s premiums
a. immediately, in 2004.
b. beginning in 2005.
c. beginning in 2006.
d. beginning in 2007.