/**
* exchange one currency for another
*
* the exchange rate is in terms of 1 original currency = x new currency
*
* @param \browner12\money\Money $money
* @param string $newCurrency
* @param float $exchangeRate
* @return \browner12\money\Money
*/
public function exchange(Money $money, $newCurrency, $exchangeRate)
{
//get new value
$newValue = $money->value() * $exchangeRate;
//create and return the new money
return new Money($newValue, $newCurrency, true);
}
