Which of the Following Is True Regarding Any Right of Reimbursement

Which of the following is true regarding any right of reimbursement Paolo is due from Joe?

A) Paolo is entitled to reimbursement from Joe.
B) Paolo is not due any reimbursement from Joe unless Paolo can establish by a preponderance of the evidence that AAA Computers would not have agreed to take a lesser amount.
C) Paolo is not due any reimbursement from Joe unless he can establish that Joe signed a written contract authorizing him to personally pay debts incurred.
D) Paolo is only due 50% of whatever he paid because he did not get permission from Joe before paying AAA Computers.
E) Paolo is not due any reimbursement because he did not get permission from Joe before paying AAA Computers.