If Allen borrows money from Bobby and Carl agrees to make good on the loan in the event that Allen does not repay Bobby, which of the following agreements must be in writing to order to be enforceable, a neither agreement is required to be in writing, but if one of the agreements is in writing, then the other agreement must be in writing or neither is enforceable be both Allen and Bobby's agreement and Carl and Bobby's agreementSee the agreement between Carl and Bobby only D who did the what now there's only agreement between Alan, Bobby and Carl and it must be in writing the agreement between Allen and Bobby only or if the agreement between Carl and Bobby, but only if the amount alone from Bobby to Allen is $500 more