5. a. If C at the time of negotiation to him of a negotiable note knows that the indorser has been convicted of falsification of both public and private document, can C still be a holder in due course, if subsequently, the makers signature on the note happens to be forged: Explain.

b. If a negotiable note in the amount of 1,000 was negotiated to C for only 100, can C qualify to be a holder in due course? Explain.