Q12 A company requires 2,000kg of sand for a special job. They have 1,200kg of sand in stock and cannot use it for any other purpose, although it could be sold for 3 per kg. The stock was originally bought for 5 per kg and new sand can be bought for 6 per kg. What is the total relevant cost of the 2,000kg required for the special job? A 12,000 B 10,800 8,400 D 7,600 (4 Marks)