Answer:
Net cash used in investing activities = ($55,500)
Explanation:
      Cash flows from Investing activities  Â
Transaction                               Amount
Cash used for purchase of mining equipment   -$68,000
Cash provided from sale of equipment        +$22,000
purchased in c. above
Purchase of company vehicle. Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â -$9,500
Net cash used in investing activities          -$55,500