The Strata Division of Cloud Production Company reported the following results for 2021: Sales $2,850,000 Variable Costs $1,820,000 Controllable Fixed Costs $838,000 Average Operating Assets $1,600,000 The minimum required rate of return of is 8% for the Strata Divisio Required: Answer the following questions: 1. What is the controllable margin of the Strata Division for 2021? 2. What is the Return on Investment (ROI) for the Strata Division fo 2021? 3. What is the Residual Income for the Strata Division for 2021