/* Ensure that the input format string specifies that '$', spaces, and commas are ignored. */ #include <stdio.h> void main() { double amounts[4] = {0.0}; double total = 0.0; int i = 0; printf("Enter the four amounts:\n"); for(i = 0 ; i<4 ; i++) { scanf("%*[ ,$]%lf", &amounts[i]); total += amounts[i]; } printf("The total of the input is: $%.2lf\n", total); }