Map<String, String> quarterSalesMap = new HashMap<>();
        quarterSalesMap.put("Quarter 1 sales", "$5,886.61");
        quarterSalesMap.put("Quarter 2 sales", "$8,261.80");
        quarterSalesMap.put("Quarter 3 sales", "$8,435.86");
        quarterSalesMap.put("Quarter 4 sales", "$8,108.74");
            for(Map.Entry sales : quarterSalesMap.entrySet()){
                System.out.println(sales.getKey() + ": " + sales.getValue());