INVENTORIES

3 Months Ended

Mar. 31, 2021

INVENTORIES

INVENTORIES

5.          INVENTORIES

Inventory costs include materials, labor and factory overhead. Inventories are stated at the lower of cost or net realizable value, determined on a first-in, first-out basis. Appropriate consideration is given to obsolescence, valuation and other factors in determining net realizable value. Revisions of these estimates could result in the need for adjustments. Inventories, net of reserves, at March 31, 2021 and December 31, 2020 consisted of the following:

	2021		2020
Chassis	$	5,767	$	6,859
Raw materials		38,298		36,161
Work in process		27,167		16,282
Finished goods		13,708		24,637
	$	84,940	$	83,939