If a $20,000 purchase of equipment for cash is incorrectly recorded as an increase to equipment and

Question:

If a $20,000 purchase of equipment for cash is incorrectly recorded as an increase to equipment and as an increase to cash, at the end of the period, assets will:
a. Exceed liabilities and stockholders' equity by $10,000.
b. Equal liabilities and stockholders' equity.
c. Exceed liabilities and stockholders' equity by $20,000.
d. Exceed liabilities and stockholders' equity by $40,000.