Stage 2 summary at 50 accepted trajectories

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

tasks_gen/train/G1075/spec.md

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+# 1. Goal
+Calculate the monthly fee for a child at a day care centre. The billing program
+calls the calculation for each child before it creates the invoice. The program
+needs the fee and one reason code for each child.
+
+# 2. Open questions
+None.
+
+# 3. Context
+- The class {{P}}CHILDCARE_PRICER does not exist yet. Create it in package $TMP.
+- The billing program is not part of this task. It calls the calculation for
+  each child and reads the reason and the fee.
+
+# 4. Contract
+- Create the class {{P}}CHILDCARE_PRICER in package $TMP.
+- The class is public, final, and has a public constructor without parameters.
+- Define these public types:
+  TY_AGE_BAND  TYPE c LENGTH 4
+  TY_REASON    TYPE c LENGTH 6
+  TY_AMOUNT    TYPE p LENGTH 8 DECIMALS 2
+  TY_RESULT    a structure with the components REASON (TY_REASON) and
+               FEE (TY_AMOUNT)
+- Define the public constant structure C_REASON with the components OK, AGE and
+  DAYS. Each component has the type TY_REASON.
+- Add one public method:
+  CALCULATE
+    IMPORTING iv_age_months TYPE i
+              iv_days       TYPE i
+              iv_full_day   TYPE abap_bool
+              iv_sibling    TYPE abap_bool
+    RETURNING VALUE(rs_result) TYPE ty_result
+- Do not add other public methods.
+
+# 5. Business rules
+Apply the rules in this sequence.
+1. If iv_age_months is less than 3 or more than 60, return the reason AGE and
+   the fee 0.
+2. If iv_days is less than 1 or more than 5, return the reason DAYS and the fee
+   0.
+3. Find the age band of the child:
+   3 to 11 months: BABY
+   12 to 35 months: TODD
+   36 to 60 months: PRE
+4. Find the daily rate of the age band:
+   BABY: 62.00 for a full day, 38.00 for a half day
+   TODD: 54.00 for a full day, 33.00 for a half day
+   PRE: 46.00 for a full day, 28.00 for a half day
+   iv_full_day = abap_true means a full day. All other values mean a half day.
+5. The monthly fee is the daily rate multiplied by iv_days and by 4.348. Round
+   the result to 2 decimal places.
+6. If iv_sibling = abap_true, multiply the monthly fee by 0.9 and round the
+   result to 2 decimal places.
+7. If the monthly fee is more than 1050.00, set it to 1050.00.
+8. Return the reason OK and the monthly fee.
+
+# 6. Constraints
+- Release target: 8.16.
+- Coding standards: Clean ABAP. Method length below 40 statements. No global
+  variables. No comment that restates the code.
+- Out of scope: no other object.
+
+# 7. Acceptance
+- The class is active and has no syntax error.
+- The hidden tests pass.
+- Write your own ABAP Unit tests for the class.