Question $13$

$0\mathrm{.}667$ points

Mac's Hardware's gross profit on sales is $40\%.$ At the beginning of January, the cost of inventory was $$18,000.$ During one month, Mac had net purchases of $$42,000.$ Net sales at retail for the month were $$49,000.$ The estimated cost of ending inventory using the gross profit method is:

A$.$ $$29,400$

B$.$ $$42,000$

C$.$ $$60,000$

D$.$ $$30,600$

E$.$ None of these