I want full details of the solution

Paid in capital: Preferred stock, $ 100 par, authorized 20,000 shares, issued and $400,000 Outstanding 4,000 shares Common stock, $ 5 par, authorized 2 million shares, issued and $1,800,000 Outstanding ??????? shares Common stock dividends distributable $90,000 Paid in capital in excess of par-common $200,000 Paid in capital in excess of par- $82,000 preferred Total paid in Capital $2,572,000 Retained Earnings $540.000 Total stockholders' Equity $3,112,000 In January 2021, the stock dividends was issued, and the company re-acquired some of its common shares from the market, by paying $240,000. when the market price was $ 6 per share. Required: how many shares are outstanding at the end of January 2021