E. Inventories

Inventories consisted of the following (in thousands):


	July 31, 2018		April 30, 2018
Finished goods	$	3,466	$	4,751
Work-in-process		1,248		2,278
Materials and components		10,292		10,633

Total inventories	$	15,006	$	17,662

The Company uses the last-in, first-out (LIFO) method of valuing inventory for its domestic operations, which represents $13,489,000 of inventory at July 31, 2018 and $15,754,000 at April 30, 2018. An actual valuation of inventory under the LIFO method can be made only at the end of each year based on the inventory levels and costs at that time. Interim LIFO calculations are based on management’s estimates of expected year-end inventory levels and costs, and are subject to the final year-end LIFO inventory valuation. The Company’s international subsidiaries’ inventories were $1,517,000 at July 31, 2018 and $1,908,000, at April 30, 2018, measured using the first-in, first-out (“FIFO”) method at the lower of cost and net realizable value.