Tama Inc. uses a perpetual inventory system and had the following activity for a single inventory item:

Units Unit Cost Total Cost

May 1, inventory 140 $2.50 $350

Purchases:

May 5 200 3.50 700

May 10 140 4.50 630

May 15 160 5.50 880

Sales:

May 11 250

May 19 150

Using the perpetual system, determine the ending inventory and cost of goods sold under weighted-average method (round unit cost to nearest cent)