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NOTE 4 - COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS - Costs, Earnings, Billings, Uncompleted Contracts - (Details) - USD ($) | Jun. 30, 2018 | Jun. 30, 2017
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Notes to Financial Statements |  |
Costs incurred on uncompleted contracts | $ 448,437 | $ 1,030,675
Estimated earnings | 309,248 | 999,433
Costs and estimated earnings on uncompleted contracts | 757,685 | 2,030,108
Less: Billings to date | 671,047 | 1,294,047
Costs and estimated earnings in excess of billings on uncompleted contracts | $ 86,638 | $ 736,061

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