Answer:
Statement of stockholders' equity
at the end of the year (December 31)
Common Stock Retained Earning Total
Opening Balance $12,000 $7,100 $19,100
Income for the year $7400 $7400
Dividend Paid ($2,100) ($2,100)
Common stock issuance $6,900 $6900
End of the year Balance $18,900 $12,400 $31300