void showPriceInEuros(float priceInPounds, float priceInEuros)
{
	cout << ("The euro value of £") << priceInPounds << ("is €") << priceInEuros;
}


float calculateSum(float& sumInEuros, float priceInEuros)
{
	sumInEuros = sumInEuros + priceInEuros;
	return sumInEuros;
}

void displayFinalData(float& sumInEuros, float numberOfPrices)
{
	cout << ("The total sum is: ") << sumInEuros << ("€");
	cout << ("The average is: ") << (sumInEuros / numberOfPrices);
}