Davilo Co. had the following inventory activity during April:

Units Cost

Beginning inventory 100 $8

Purchase (April 3) 60 12

Sale (April 10) 80

Purchase (April 18) 50 15

Purchase (April 23) 80 18

Sale (April 28) 100

1. Assuming Davilo uses a periodic LIFO cost flow assumption, ending inventory at April 30 would be?
2. Assuming Davilo uses a perpetual LIFO cost flow assumption, ending inventory at April 30 would be?
3. Assuming Davilo uses a periodic weighted average cost flow assumption, the weighted average cost per unit in April would be?