How would I journalize this entry?

December 15 Five hundred (500) shares of Ramblewood Manufacturing Corporation common stock that had been held as a short-term investment were sold. The stock sold for $11.50 per share, less a commission of $142.50. The stock was originally purchased as a block of 1,000 shares at a total cost (including commission) of $9,250.00. At the invoice prompt enter STINV for stock investment