Land,originally Purchased for $30,000,is Sold for $62,000 in Cash

Land,originally purchased for $30,000,is sold for $62,000 in cash.What is the effect of the sale on the accounting equation?

A) assets increase $62,000; stockholders' equity increases $62,000
B) assets increase $32,000; stockholders' equity increases $32,000
C) assets increase $62,000; liabilities decrease $30,000; stockholders' equity increases $32,000
D) assets increase $30,000; no change for liabilities; stockholders' equity increases $62,000