private Price highPrice = Price.create("20");
private Price lowPrice = Price.create("10");
@Test
public void newPriceFromStringRepresentation() {
Price priceFromString = Price.create("100.89");
Price priceFromDecimal = new Price(new BigDecimal("100.89"));
assertThat(priceFromString.equals(priceFromDecimal), is(true));
}