Flora's Gifts reported the following current-month data for its only product. The company uses a periodic inventory system, and its ending inventory consists of 67 units—53 units from the January 6 purchase and 14 units from the January 25 purchase.

Jan. 1 Beginning inventory 155 units @ $3.50 = $ 542.50

Jan. 6 Purchase 324 units @ $3.20 = 1,036.80

Jan. 17 Purchase 560 units @ $2.70 = 1,512.00

Jan. 25 Purchase 26 units @ $2.40 = 62.40

Totals 1,065 units $ 3,153.70

ending inventory & cost of goods sold

a) secific identification

b) weighted average

c) FIFO

d) LIFO

Which method yields the lowest net income