Error when calling a function

Question

The function works just fine, but when I try to call the function in the driver part of the code (main) I get an 2 errors on line 13 expected expression before float and too few arguments to function input.
input(float sales, int i);
^~~~~
input(float sales, int i);
^~~~~
https://code.sololearn.com/cOi8WCHOL15l/?ref=app

Answer 1

You mustn't use data types when calling a function, but when declaring it:

void test(int a) { // declaring test
code...
}

int i = 0;
test(i); // calling test

Btw. I tried to fix your code a little bit:
https://code.sololearn.com/cm3JiiSnrxsu/?ref=app