What is the proper classification of the accounts listed below on the balance sheet7 Indicate whether stockholders' equity accounts are contributed capital, retained earnings, or contra stockholders' equity.

a. Common Stock

b. Treasury Stock

c. Paid-in Capital, Treasury Stock

d. Paid-in Capital in Excess of Par Value, Common

e. Paid-in Capital in Excess of Stated Value, Common f Retained Earnings. Q-16