Quick Corp. has $270,000 of outstanding accounts receivable. On March 10, Quick assigned to Taft for value (consideration) a $30,000 account receivable due from Pine, one of Quick Corp.'s customers. On March 30, Pine paid Quick Corp. the $30,000. On April 5, Taft notified Pine of the March 10 assignment from Quick to Taft. Taft is entitled to collect $30,000 from Select one: a. Neither Quick nor Pine. b. Quick only. c. Pine only. d. Either Quick or Pine