First bank is a holder in due course of a check made out for $21,000. The drawer had made out the check for only $1,000, but a subsequent holder had carefully and cleverly altered the amount. whats if anything, can First Bank collect on this altered instrument?

a. bank can collect the full 21K because it is a holder in due course

b. bank can collect the original amount of $1K intended the by the drawer

c. bank cannot collect anything because bank is object to the drawer's real defense of fraud in the execution