17. Craycraft Inc. reported the following results from last year's operations: Sales $12,600,000 Variable expenses 2.380.000 Contribution margin 3,220,000 Fixed expenses 2.716.000 Net operating income $504.000 Average operating assets $7,000,000 At the beginning of this year, the company has a $800,000 investment opportunity with the following characteristics: Sales $560,000 Contribution margin ratio 50%of sales Fixed expenses $246,400 Required: 1. What was last year's margin? (Round to the nearest 0.1%.) 2. What was last year's turnover? (Round to the nearest 0.01.) 3. What was last year's return on investment (ROD)? (Round to the nearest 0.1%.)