The table below shows different sets of changes taking place in an economy.
| Labour productivity | World energy prices | |
|---|---|---|
| A | Rising | Falling |
| B | Falling | Rising |
| C | Rising | Rising |
| D | Falling | Falling |
All other things being equal, which one of the following combinations is most likely to have the effect of shifting the short-run aggregate supply (SRAS) curve for the economy to the left?
Combination A (Labour productivity: Rising; World energy prices: Falling)
Combination B (Labour productivity: Falling; World energy prices: Rising)
Combination C (Labour productivity: Rising; World energy prices: Rising)
Combination D (Labour productivity: Falling; World energy prices: Falling)