Can someone answer this

In this lab, you complete a prewritten c program that calculates an employee’s productivity bonus and prints the employee’s name and bonus. bonuses are calculated based on an employee’s productivity score as shown below. a productivity score is calculated by first dividing an employee’s transactions dollar value by the number of transactions and then dividing the result by the number of shifts worked.

How do we use the sumif formula (when dealing with different formats) ?

How can you make your column headings stand out?