Answer:
a. The account Supplies represents a liability on the balance sheet.
Explanation:
Operating activities are the activities that organization carry out to ensure the smoothness of such company day to day activities. Examples of operating activities are cash receipts from sales of goods, cash payments to suppliers, employees, and expenses.
Stillwater Company Operating cost is decrease by 1,500 as the cash paid to the supplier in addition is an outflow
Also,
Balance of supplies   250
Supplies at hand     1400
                  1,650
Cash paid for supply (1,400)
in addition         Â
Net Income          250
Conclusion: The option A cannot is incorrect as supplies account is recognized under the Current Asset as an asset not a liability.