diff --git a/target-service/files/welcome.txt b/target-service/files/welcome.txt
new file mode 100644
index 0000000..13d6eec
--- /dev/null
+++ b/target-service/files/welcome.txt
@@ -0,0 +1 @@
+hello from storage
\ No newline at end of file
diff --git a/target-service/src/main/java/com/example/targetservice/service/OrderService.java b/target-service/src/main/java/com/example/targetservice/service/OrderService.java
index 60e9cf4..7826ef5 100644
--- a/target-service/src/main/java/com/example/targetservice/service/OrderService.java
+++ b/target-service/src/main/java/com/example/targetservice/service/OrderService.java
@@ -16,7 +16,7 @@ public int calculateUnitPrice(int totalCents, int quantity) {
 
     /**
      * Calculates the discounted price for a bulk order.
-     * BUG: Uses double for intermediate calculation, causing floating-point precision loss.
+     * Uses BigDecimal throughout to avoid floating-point precision loss.
      */
     public BigDecimal calculateDiscountPrice(BigDecimal total, double discountRate, int quantity) {
         if (quantity <= 0) {
@@ -25,7 +25,8 @@ public BigDecimal calculateDiscountPrice(BigDecimal total, double discountRate,
         if (discountRate <= 0 || discountRate >= 1) {
             throw new IllegalArgumentException("discountRate must be between 0 and 1, but got: " + discountRate);
         }
-        double perItem = total.doubleValue() * discountRate;
-        return BigDecimal.valueOf(perItem * quantity);
+        BigDecimal discountRateBD = BigDecimal.valueOf(discountRate);
+        BigDecimal quantityBD = BigDecimal.valueOf(quantity);
+        return total.multiply(discountRateBD).multiply(quantityBD);
     }
 }