Emerging Market section can be tricky. Without looking anything up:
WCinv and Revenues are both monetary items and affected by inflation. The other two formulas involve a monetary item and non-monetary (PPE & Capital).Non-monetary items are on the BS at bookvalue.
PPE and Equity (as part of invested capital) are both “stale” on the balance sheet since they are reported at historical cost. So that eliminates A and C.
Working Capital is Current Asset- Cash - Current Liability.
Most of the inventory, short term debts, payables, receiveable all get turn over pretty qucikly. When have you seen a sales to turnover, receivabale turnover, payabale turnover less than 1 (in the questions and in real life). That means by the end of the period, the NWC should of caught up to the inflation.