map.keySet().forEach(タイプ -> {
                    System.out.printf("%s: %s\n", タイプ, map.get(タイプ));
                    for (String currency : new String[]{"JPY", "USD"}) {
                        for (String name : new String[]{"総額", "正味", "手数料"}){
                            BigDecimal 合計 = fields.stream().filter(e -> e.タイプ.equals(タイプ)
                                    || e.通貨.equals(currency))
                                    .map(e -> e.get(name)).filter(e -> e.isPresent())
                                    .map(e -> e.get())
                                    .reduce(BigDecimal.ZERO, BigDecimal::add);
                            System.out.printf("%s合計(%s):%s", name, currency,合計 + "\n");
                        }
                    }
                    System.out.println();
                }
        );