Study each of the following case. Answer the questions that follow with Yes or No.

Bolena sold some valuable jewelry to McGovern, whom she had never met before. She was concerned about whether McGovern’s check was good and whether there were sufficient funds on deposit in McGovern’s account to cover it.
a. Would a certified check relieve Bolena’s concern?
b. Would a cashier’s check relieve Bolena’s concern?
c. Would McGovern’s promissory note give greater security?