Slink Rollers reported net income... Slink Rollers reported net income or $400,000 on sales of $20 million for the year. Average assets for the year were $8 million. For the year: Multigle Choice margin was 24, turnover was 2.0 and ROI was 4%. margin was 2.5%, turnover was 30, and 901 was 7.5% maigin was 25%, tarnover was 25 , and pot was 63k. margin was 24, turnover was 24. and ROI was 52