Its part of the sale to get the 21 mil. I put parenthesis around the sentence you should read. This is my take on it.
Pursuant to the Agreement, Quinto will purchase all of the issued and outstanding shares of the Subsidiaries in consideration for a cash purchase price of $21,000,000 (the “Purchase Price”),((( plus the aggregate amount of cash of each of the Subsidiaries at the closing date less the amount of long-term debts ))))of each of the Subsidiaries as at the closing date, subject to a post-closing working capital adjustment (the "Transaction").The Agreement was negotiated at arm's-length. Closing of the Transaction is anticipated to occur on or before August 31, 2020, subject to the TSX Venture Exchange’s (the “TSXV”) approval.