Q3: Consider the definition of the function main. (5 Marks) int main() { int x, y: char z: double rate, hours: double amount: The variables x,y,z, rate, and hours referred as variables. Write the following function definitions: Write the definition of the function setter that initializes x and y to 0 and z to the blank character Write the definition of the function getHoursRate that prompts the user to input the hours worked and rate per hour to initialize the variables hours and rate of the function's main. Write the definition of function getter to get the value of amount from main function and display the amount in main function