During the current year, Hugo sells equipment for $150,000. The equipment cost $175,000 when placed in service two years ago, and $55,000 of depreciation deductions were allowed. The results of the sale are

A) LTCG of $30,000.

B) Sec. 1231 gain of $30,000.

C) Sec. 1245 ordinary income $30,000.

D) Sec. 1250 ordinary income of $30,000.

Please give the necessary description for my quick understanding!