Answer:
The unit cost for materials for Layla using the FIFO method is $2.
Explanation:
Physical unit % EUP-material
Units started and completed 18000 100% 18000
Ending work in process 3000 100% 3000
Total 21000 21000
Unit cost = 42000/21000
= $2 per unit
Therefore, The unit cost for materials for Layla using the FIFO method is $2.