can anyone help me with these three questions?thank you

Ronaldo Associates is a construction engineering firrn that prepares detailed construction drawings for single-family homes. The market for this service is very competitive. To compete successfully Ronaldo must deliver quality service at low cost. Ronaldo presents the following data for 2019 and 2020. (Click the icon to view the data) Engineering labor-hour costs are variable costs. Engineering support costs for each year depend on the engineering support capacity that Ronaldo chooses to maintain each year (that is, the number of jabs it can do each year). Engineering support costs do not vary with the actual number of jobs done in a year. Read the requirements, Requirement 1. Calculate the operating income of Ronaldo Associates in 2019 and 2020. 2019 Revenues Costs Engineering labor costs Engineering support costs - X Requirements Total costs Operating income 1. Calculate the operating income of Ronaldo Associates in 2019 and 2020. 2. Calculate the growth, price-recovery, and productivity components that explain the change in operating income from 2019 to 2020. 3. Comment on your answer in requirement 2. What do these components indicate? Data table 2020 550 Print Done S 3,000 30,000 1. Number of jobs billed 2. Selling price per job 3. Engineering labor-hours 4. Cost per engineering labor-hour 5. Engineering support capacity (number of jobs the firm can do) 6. Total cost of engineering support (space rent, equipment, etc.) 7. Engineering support-capacity cost per job 2019 500 3,100 $ 29,000 30 $ 750 210,000 $ 280 $ S 31 750 S 232,500 310 S