Precision Castparts, a manufacturer of processed engine parts in the automotive and airline industries, borrows $40.2 million cash on October 1, 2018, to provide working capital for anticipated expansion. Precision signs a one-year, 7% promissory note to Midwest Bank under a prearranged short-term line of credit. Interest on the note is payable at maturity. Each firm has a December 31 year-end