The number of shares of issued stock equals:

a. unissued shares minus authorized shares.

b. outstanding shares plus treasury shares.

c. authorized shares minus treasury shares.

d. outstanding shares plus authorized shares

b. outstanding shares plus treasury shares.

Explanation:

The issued stock is a combination of the outstanding shares and the treasury shares

The treasury shares are those shares that are bought back by the issuing company. It is not considered for computing the earning per share or dividend per share as only outstanding shares are relevant for this computation.

And, the outstanding shares are those shares which are currently held by the shareholders

So, it is a mix of outstanding shares and the treasury shares