4. Upon the proposal of athird person, a new debtor substituted the originaldebtor without

the latters consent. The

creditor accepted the substitution.Later, however, the newdebtorbecame insolvent and defaulted in his obligation.

What is the effect ofthe new debtors

default upon the original debtor?

A. The original debtor is freed ofliability since novation took place andthis relieved him ofhis obligation.

B. The original debtor shall pay or perform theobligation with recourse to the new debtor.C. The original debtor remains liable since he gave no consent to the substitution.D. The original debtor shall payor perform 50% of the obligationto avoid unjust enrichmenton his part.