Your brother wants to borrow $8000 from the Bank of Britannia and has asked if you would guarantee the loan. You have been told the following with regard to guarantees. Which of the following statements is false? a) If he defaulted on his payments and you had to pay the debt to the bank, you would be subrogated to the rights of the bank, i.e., you would get the bank's right to sue your brother. b) You, as guarantor, may be relieved of your obligation if the bank does anything to weaken your position, e.g., by agreeing with your brother to increase the amount without your consent. O c) A guarantor, like an indemnitor, becomes primarily liable on the debt as soon as the document is signed. d) As guarantor, you can use any defence against the bank that your brother