material valuation batch wise

Material A - Batch 1 Qty 10, Std Price 10. Purchased at 15

Material A - Batch 2 Qty 10, Std Price 10. Purchased at 20

Material A - Batch 3 Qty 10, Std Price 10. Purchased at 25

Can any one tell me if spilit valuation and material ledger is switched on, then on which prices materials are costed in production.

Regards,

Rashid Masood