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# I don't know how to solve this challenge can someone help me

```  public static List<String> getPricesConvertedForArgentina(List<HousingRecord> records) {
Locale argLocale = Locale.forLanguageTag("es-AR");
// This fluctuates and is hardcoded temporarily
BigDecimal argPesoToUsdRate = new BigDecimal("15.48");

// TODO: These functions are in working order, but separately they don't match the single Function signature expected
Function<Integer, BigDecimal> usdToArgentinePesoConverter = usd -> argPesoToUsdRate.multiply(new BigDecimal(usd));

Function<BigDecimal, String> argentineCurrencyFormatter = price -> {
Currency currentCurrency = Currency.getInstance(argLocale);
NumberFormat currencyFormatter =
NumberFormat.getCurrencyInstance(argLocale);
return String.format("%s (%s)",
currencyFormatter.format(price),
currentCurrency.getDisplayName()
);
};

Function<Integer, String> usdToArgentinePesoConverterAndFormatter =
usdToArgentinePesoConverter.andThen(argentineCurrencyFormatter);

return getConvertedPriceStatements(records,
// TODO: Correct this.  It should to convert AND format.  However, there is room parameter wise for only one Function...hmmm.
usdToArgentinePesoConverterAndFormatter);
}
```

Tests failed

```java.lang.AssertionError:
Expected: iterable containing ["First is \$1.00 (USD) which is \$15,48 (Argentine Peso)", "Second is \$2.00 (USD) which is \$30,96 (Argentine Peso)"]
but: item 0: was "First is \$1.00 (USD) which is \$ 15,48 (Argentine Peso)"
```