K&K Distributors Ltd. provided the following purchases and sales for the month of January:Date Explanation Units Unit Cost Total Cost Jan. 1 Beginning inventory 200 $10 $2,000Jan. 12 Purchase 50 12...

K&K Distributors Ltd. provided the following purchases and sales for the month of January:Date Explanation Units Unit Cost Total Cost Jan. 1 Beginning inventory 200 $10 $2,000Jan. 12 Purchase 50 12 600Jan. 14 Sale 200Assuming the use of the average cost formula, what is the cost of the ending inventory? a) $1,100 b) $1,560 c) $520 d) $2,600