Following is the stockholders equity section of JJ Construction, Inc. at December 31, 2018

Stockholders' Equity	December 31, 2018
Common stock - $0.10 par value, authorized 500,000 shares	$ 25,000
Additional paid-in capital	525,500
Retained earnings	55,000
Treasury stock 5,000 shares	(50,000)
Total stockholders' equity	$555,500

1. Compute the number of shares that have been issued.
2. At what average issue price were the shares issued?
3. At what average cost was the treasury stock purchased?