Please solve and explain:

The Portland Division's operating data for the past two years is as follows: Year 1 Year 2 Return on Investment Net operating Income Turnover Margin Sales 5% 12% $450,000 2 $2,040,000 The Portland Division's margin in Year 2 was 150% of the margin for Year 1. The sales for Year 2 were: O $5.850.00o O $7100,000 O $8,946,154 O $7,500,000