Fact Pattern 29-1B

Fact Pattern 29-1B
Call's Farm & Ranch Supply,Inc. ,uses its inventory as collat?eral for a loan from Deland County Bank.The bank files a financing statement with the secretary of state in the state in which Call's was chartered.One year later,Call's changes its name to Big C's,Inc.
-Refer to Fact Pattern 29-1B.Deland County Bank's perfection will remain effec?tive for

A) four months after the date of the name change.
B) five business days after the date of the name change.
C) six years after the date of the original filing.
D) no time.