answer with explain please

On July 31, 2022, Ayayai Company engaged Duval Tooling Company to construct a special-purpose piece of factory machinery. Construction began immediately and was completed on November 1, 2022. To help finance construction, on July 31 Ayayai issued a $408,000, 3-year, 12% note payable at Wellington National Bank, on which interest is payable each July 31. On July 31, $306,000 of the proceeds of the note was paid to Duval. The remainder of the proceeds was temporarily invested in short-term marketable securities (trading securities) at 10% until November 1. On November 1, Ayayai made a final $102,000 payment to Duval