at December 31, 2021: Accounts receivable $12,200 Inventory 41,000 Patent 13,400 Investments 31,900 Prepaid insurance 6,700 Notes receivable, due 2024 51,300 Investments consist of treasury bills that were purchased in November, 2021, and mature in January, 2022. The balance of prepaid insurance represents coverage over the next two years. What amount should be included in the current assets section of Janson's December 31, 2021, balance sheet