Sunland Corporation sells a single product for $50. Its management estimates the following revenues and costs for the year 2022 : Determine the percentage increase in annual operating income if Sunland Corporation increases its selling price by 20% and all other factors (including demand) remain constant. (Round answer to 2 decimal places, es. 15.25\%.) Sunland Corporation sells a single product for $50. Its management estimates the following revenues and costs for the year 2022 : Determine the percentage increase in annual operating income if Sunland Corporation increases its selling price by 20% and all other factors (including demand) remain constant. (Round answer to 2 decimal places, es. 15.25\%.)