Upoe Wordsworth Co, had the following information pertaining to inventory for the month of April: Units Unit 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 Wordsworth uses a periodic LIFO cost flow assumption, ending inventory at April 30 would be Select ] 2. Assuming Wordsworth uses a perpetual LIFO cost flow assumption, ending inventory at April 30 would be (Select) 3. Assuming Wordsworth uses a periodic weighted average cost flow assumption, the weighted average cost per unit in April would be Select