Assume You Are the Creditor in Each of the Following

Assume you are the creditor in each of the following situations. Identify the kind of security agreement that is involved in each transaction and explain how you would perfect that agreement.
_a. You are the creditor (Evergromby Bank), and you lend Brisco Baines $5,000 for a sound system.
b. National Bank loans Donna $5,000 to purchase a computer for use in her store office.
c. Garth needs cash for gambling debts. He brings in his gold ring to secure a $500 loan.
_{This is a purchase money security interest in consumer goods. It is automatically}