Accord Corporation Had Originally Purchased Land for $20,000

Accord Corporation had originally purchased land for $20,000.It later sold it for $20,000 in cash.Which of the following is true of the effect of the sale on the accounting equation?

A) assets increase and liabilities decrease by $20,000
B) assets and equity increase by $40,000
C) assets increase by $20,000; equity increases by $20,000
D) the amount of total assets remains the same