shows incomplete program that will ask the user to enter 10 integer numbers into an array. Function avgArray()calculate and return the average of the numbers. Write the complete program. #include using namespace std; // Write the function prototype here int main() { const int SIZE = 10; int userNums[SIZE]; cout << "Enter 10 numbers: "; for (int count = 0; count < SIZE; count++) { cout << "#" << (count + 1) << " "; cin >> userNums[count]; } cout << "The average of those numbers is "; cout << avgArray(userNums, SIZE) << endl; return 0; } // // Write the function definition here. //