Assuming the cost of capital is 10%, determine the economic profit.

a. $50

b. $40

c. Can not be determined

d. $140

Income Assets Sales $550 $180 Net working capital Cost of goods sold 275 Fixed assets 1170 75 Depreciation 360 Selling, general and admin expenses $200 Tax (20%) $40.0 Other 110 assets Net Income $160