Red Rock Company has provided the following information pertaining to its recent year of operation:

• Net income, $218,000
• Accounts receivable increased $21,600
• Prepaid insurance decreased $7,800
• Depreciation expense was $66,000
• Gain on sale of land, $5,800
• Wages payable decreased $17,600
• Unearned revenue increased $25,600

Using the indirect method, how much was Red Rock's net cash provided by operating activities?