Stage 2 summary at 50 accepted trajectories

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

tasks_gen/train/G1127/reference/key_price.func.abap

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+FUNCTION {{p}}key_price
+  IMPORTING
+    iv_key_type TYPE string
+    iv_quantity TYPE i
+  EXPORTING
+    ev_price TYPE decfloat34
+    ev_valid TYPE abap_bool
+  EXCEPTIONS
+    invalid_quantity.
+
+  DATA lv_unit_price TYPE decfloat34.
+  ev_price = 0.
+  ev_valid = abap_false.
+  IF iv_quantity < 1.
+    RAISE invalid_quantity.
+  ENDIF.
+  CASE iv_key_type.
+    WHEN 'ST'.
+      lv_unit_price = '3.50'.
+    WHEN 'SE'.
+      lv_unit_price = '12.00'.
+    WHEN 'TR'.
+      lv_unit_price = '45.00'.
+    WHEN OTHERS.
+      RETURN.
+  ENDCASE.
+  ev_price = lv_unit_price * iv_quantity.
+  IF iv_quantity >= 10.
+    ev_price = ev_price * '0.9'.
+  ENDIF.
+  ev_price = round( val = ev_price dec = 2 mode = cl_abap_math=>round_half_up ).
+  ev_valid = abap_true.
+
+ENDFUNCTION.