Finish the methods in the following code. DO NOT CHANGE THE MAIN METHOD. The instructions for each method are in a comment in the template. DO NOT CHANGE THE MAIN METHOD

#include
#include
using namespace std;
// prototypes
int main() {

int answer = 0;
int value1 = 0;
int value2 = 0;
double average = 0;
string string1 = "";
int numberVowels = 0;
int numberNonVowels = 0;

cout << "Enter string1: ";
getline(cin, string1);
cout << "Enter value1: ";
cin >> value1;
cout << "Enter value2: ";
cin >> value2;
cout << endl;
cout. setf(ios::fixed);
cout. precision(2);

answer = summationBetween(value1, value2);
cout << "The summation is: " << answer << endl << endl;

numberVowels = (string1, numberNonVowels);
cout << "The string \"" << string1 << "\" has " << numberVowels << " vowels and ";
cout << numberNonVowels << " characters that are not vowels. ";
cout << endl;
cout << endl;
average = calculateAverage();
cout << endl;
cout << "The average is: " << average << endl;

return 0;
}