As shown below in a contractor construction project will experience negative cash flow. This is because monthly late payment and cash payment of progress payments by the employer by the employer until the end of the project. due to retention. This negative of the contractor monthly interest on the money borrowed to meet the flow of money It will be 2%. If the debt was taken without interest, the progress payment As a result, when the contractor pays his debts, how much is left? Will the debt remain? January -85 000 p.b. (currency unit) February -120 000 p.b. March -45 000 p.b. April -90 000 p.b. May -63 000 p.b. June -15 000 p.b. July + 295 000 p.b. August + 210 000 p.b.