Dickonson Products is a division of a major corporation. The following data are for the last year of operations:

sales	$16,640,000
net operating income	$399,360
average operating assets	$4,000,000
company's minimum required rate of return	18%

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Part A) The division's margin is closest to:

a. 26.4%

b. 10.0%

c. 24.0%

d. 2.4%

Part B) The division's turnover is closest to:

a. 0.10

b. 41.67

c. 3.78

d. 4.16

Part C) The division's return on investment (ROI) is closest to:

a. 1.9%

b. 41.6%

c. 0.2%

d. 10.0%

Part D) The division's residual income is closest to:

a. $(2,595,840)

b. $1,119,360

c. $399,360

d. $(320,640)