Lewis issued a check to the order of Clark on April 3, 2012. It was postdated May 6, 2012. Clark negotiated the check to Sasajawea. On May 6, Sasajawea had the check certified by the drawee, Explorers National Bank.

Select one or more:

a.

At the time of issue, the instrument was not negotiable because it was postdated.

b.

At the time of issue Explorers National Bank was primarily liable on the instrument.

c.

Upon certification, the bank became primarily liable on the instrument.

d.

Upon certification, all indorsers, but not Lewis, were discharged from liability.

e.

Two answers are correct.