Peterson Company has the following stockholders' equity section of its balance sheet on January $1$:

Additional Resources

Peterson Company

Stockholders' Equity

January $1$

$3\%$ Preferred Stock, par value $$130,15,000$ shares issued and outstanding

Common Stock, par value $$16,118,000$ shares issued and outstanding

Additional Paid$-$In Capital

Retained Earnings

Total Stockholders' Equity

In addition, Peterson Company had the following transactions during the year:

March $1$ Issued $37,200$ shares of common stock.

September $1$ Issued $21,600$ shares of common stock.

November $1$ Purchased $2,880$ shares of treasury stock.

Required:

Compute the number of common shares outstanding.

Compute the weighted average number of common shares outstanding.