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NOTE 4 – CONTRACT ASSETS AND LIABILITIES (Tables)
12 Months Ended
Jun. 30, 2021
Regulated Operations [Abstract]  
`Costs and Estimated Earnings on Uncompleted Contracts
`Costs and Estimated Earnings on Uncompleted Contracts          
   As of June 30,
   2021  2020
Costs incurred on uncompleted contracts  $294,783   $448,437 
Estimated earnings   567,978    309,248 
Costs and estimated earnings on uncompleted contracts   862,761    757,685 
Less: Billings to date   877,500    604,852 
Costs and estimated earnings in excess of billings on uncompleted contracts  $(14,739)  $152,833