Starsystems is a small information systems company which employs male and female workers. The employee details are given below.

Please refere to the excel file on Canvas, name: final exam $-$ Starsystems

$($a$)$ Find the total number of male and female employees who are working in this company. Display your use of the COUNTIF function.

$($b$)$ Display your use of the SUMIF function and find the total incomes of both male and female employees who are working in this company.

$($c$)$ Using part a and part b$,$ find the average incomes of both male and female employees who are working in this company.