In February, 8,000 Litres of Material Were Input to a Process

In February, 8,000 litres of material were input to a process at a cost of £18,432. Normal loss in the process is expected to be 4% of input materials. Process conversion costs for the month totalled up to £15,360. The process produced 7,560 litres of finished production in February. What were the values attributed to normal and abnormal losses in February?

A) Normal losses: £Nil, Abnormal losses: £Nil
B) Normal losses: £Nil, Abnormal losses: £528
C) Normal losses: £1,408, Abnormal losses: £528
D) Normal losses: £Nil, Abnormal losses: £1,936