Wade's Market recorded the following events involving a recent purchase of merchandise:
Received goods for $40,000, terms 2/10, n/30.
Returned $800 of the shipment for credit.
Paid $200 freight on the shipment.
Paid the invoice within the discount period.
As a result of these events, the company's merchandise inventory increased by:
a) $38,416
b) $39,400
c) $38,616
d) $38,600