The Portland Division's operating data for the past two years is as follows: Year 1 Year 2 Return on investment 10 % 21 % Net operating income $ ? $ 430,500 Turnover ? 2 Margin ? ? Sales $ 2,040,000 ? The Portland Division's margin in Year 2 was 150% of the margin for Year 1. The turnover for Year 1 was: 1.70 9.00 2.35 1.43