First, consider there are 40,000 shares with a proce $22 each.
The price of all shares is:
22 x 40,000 = 880,000
Next, consider that stock dividend of %10 is payed:
880,000 - 0.1x880,000 = 792,000
THe price per share is:
792,000/40,000 = 19.8
Hence, the market price would be $19.8