Since this is a noninterest-bearing note, or a zero-interest-bearing note payable, what's entered into the 6/30/2018 balance sheet is the Future Value of the equipment. The future value, or the face value, is the amount that Frasquita is obligated to pay on 4/30/2019.
This means that $550000 is the amount recorded as a Notes Payable in the 6/30/2018 balance sheet.