Answer and Explanation:
The computation of the number of common shares outstanding on each cash dividend is shown below:
On Jan 5 = 40,000 shares
On Apr 5, it is
= Share issued - treasury stock shares
= 40,000 - 3,000
= 37,000 shares
On July 5, it is
= Share issued - treasury stock shares
= 40,000 - 3,000
= 37,000 shares
On Oct 5, it is
= Share issued - treasury stock shares
= 47,400 - 3,000
= 44,400 shares
