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The Portland Division's operating data for the past two years is as follows: Year 1 Year 2 6% Return on Investment Net operating Income Turnover Margin Sales 15 % ?150,000 2 $1,750,000 The Portland Division's margin in Year 2 was 150% of the margin for Year 1. The average operating assets for Year 2 were O $550,000 O $200,000 O $1,000,000 O $600,000