Karen borrows $10,000 from Celeste. Karen is to pay Celeste the principal amount, with 8 percent interest, over the next five years in 60 equal monthly payments

After one year of receiving proper payments from Karen, Celeste assigns this right to receive future payments to Larry. Who has the duty to notify Karen about the assignment?
A) Celeste
B) Larry
C) Karen’s attorney
D) the authority who drafted the contract