Following Is the Shareholders' Equity Section of the Balance Sheet

Following is the shareholders' equity section of the balance sheet for Phototron Incorporated as of December 1,2017:
Preferred shares,$6 cumulative,
$\begin{array}{lr}\text { 6,500 shares issued }&\$650,000\\\text { Common shares, } 120,000 \text { shares issued } & 1,620,000 \\\text { Retained earnings } & \underline{467,200} \\\text { Total shareholders' equity } & \underline{\$ 2,737,200}\end{array}$
Phototron Incorporated reports the following transactions for December 2017:
Dec. 1 Beclared the required cash dividend on the preferred shares and a $\$0 .50$ dividend on the common shares.
11 Paid the dividends declared on December 1.
15 Sold 5,000 common shares for $\$ 15$ per share. For each transaction,show the dollar amount of the effect of each transaction on the following accounts: common shares and retained earnings.Write "no effect" if an account is unaffected by a transaction.
$$\begin{array} { | l | l | l | } \hline \text { Date } & \begin{array} { c } \text { Common } \\\text { Shares }\end{array} & \begin{array} { c } \text { Retained } \\\text { Earnings }\end{array} \\\hline & & \\\hline & & \\\hline & & \\\hline\end{array}$$