Beginning inventory, purchases, and sales data for prepaid cell phones for May are as follows:

Inventory		Purchases		Sales
May 1	3,700 units at $26	May 10	1,850 units at $28	May 12	2,590 units
		May 20	1,665 units at $30	May 14	2,220 units
				May 31	1,110 units

Assume that the business maintains a perpetual inventory system, costing by the first-in, first-out method. Determine the cost of merchandise sold for each sale and the inventory balance after each sale, presenting the data in the form illustrated in Exhibit 3. Under FIFO, if units are in inventory at two different costs, enter the units with the LOWER unit cost first in the Cost of Merchandise Sold Unit Cost column and in the Inventory Unit Cost column.