Answer:
authorized 100,000
issued 70,000
outstanding 70,000 - 4,000 treasury stock = 66,000
Step-by-step explanation:
The amount authorized doesn't change unless the company start the legal procedure to do it.
The shares, once issued, can't be destroyed.
Te outstanding shares are the mount in the market, that will be the issued shaes less the treasury stock, which are shares in the company's possesion.