Satoor, Inc. Satoor, Inc., Which Uses a Periodic Inventory System, Purchased Merchandise

Satoor, Inc.
Satoor, Inc., which uses a periodic inventory system, purchased merchandise from Taye Company on July 7, 2013, for $15,000. The credit terms were 1/10, n/30. The goods were shipped FOB shipping point on July 7, 2013. Satoor, Inc. received the merchandise on July 10 and paid the amount due on July 15.
-Refer to the information provided for Satoor, Inc. What effect does recording the purchase of merchandise on July 7, 2013 have on the buyer's accounting equation?

A) assets and liabilities increase
B) liabilities increase and stockholders' equity decreases
C) assets and stockholders' equity increase
D) liabilities and stockholders' equity decrease