13-22. Strategic analysis of operating income (continuation of 13-21). Refer to Exercise 13-21. Required 1. Calculate Gianni's operating income in both 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 answers in requirement 2. What does each of these components indicate? Administrative costs depend on the number of customers Gianni has created capacity to support, not on theactual number of customers served. Gianni had 3,600 customers in 2019 and 3,500 customers in 2020