COSTS, ESTIMATED EARNINGS AND BILLINGS ON UNCOMPLETED CONTRACTS (Tables)

3 Months Ended

Apr. 30, 2017

COSTS, ESTIMATED EARNINGS AND BILLINGS ON UNCOMPLETED CONTRACTS

Aggregate amount of costs charged and earnings accrued on uncompleted contracts compared with billings on contracts

	April 30,			January 31,
	2017			2017
Costs charged to uncompleted contracts	$	685,672		$	485,629
Estimated accrued earnings	112,003			78,708
	797,675			564,337
Less - billings to date	1,027,662			770,386
	$	(229,987	)	$	(206,049	)

	April 30,			January 31,
	2017			2017
Costs and estimated earnings in excess of billings	$	4,357		$	3,192
Billings in excess of costs and estimated earnings	234,344			209,241
	$	(229,987	)	$	(206,049	)