could somebody please solve it for me ? :)

Delts Manufacturers Lid has the following materials in inventories A B 150 100 50 -C15 620 CG No. of units held in a company fie warehouse) Purchase cost per unit Historic cost Net realisable value (Salos/Scrap value) Replacement cost (Market purchase price) C4 68 E8 07 09 C10 A material is in constant use by the company. The company has been asked to tender for a contract that requires 100 units of A B material cannot be used for any other purpose within the business except the new contract. It was bought a long time ago and hasn't been used due to the wrong order. The company has been asked to tender for a contract that requires 200 units of B C material is in constant use by the company. The company has been asked to tender for a contract that requires 150 units of C. What is the total relevant cost of the material A for new contract What is the total relevant cost of the material B for new contract What is the total relevant cost of the material C for new contract