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Otumfuo Inc., a retailer, has provided the following information pertaining to its recent year of operation: . Net income, $450,000 Accounts receivable increased by $40,500 Prepaid insurance decreased by $13,500 Depreciation expense was $67,500 Gain on sale of land, $9,000 Wages payable decreased by $31,500 Unearned revenue increased by $49,500 How much was net cash inflow or outflow from operating activities under the indirect method? Select one: O a. $517,500 O b. $400,500 O c. $562,500 O d. $499,500