Lines 8 - 16 is my own work. Everything else in the program is there by default - it cannot be altered.

I would really appreciate your help with this. Thank you in advance.

It says what should be output by the code at the top of the screenshot.

Please provide the code in C language.

Thank you.

CHALLENGE ACTIVITY 4.5.1: For loops. Jump to level 1 Write code that prints: Ready! firstNumber ... 21 Start! Your code should contain a for loop. Print a newline after each number and after each line of text Ex: firstNumber = 3 outputs: Ready! 3 2 1 Start! 1 #include 2 3 int main(void) { 4 int firstNumber; 5 int i; 6 7 scanf("%d", &firstNumber); 8 9 printf("Ready! "); 10 11 for(i = firstNumber; i