New in Accounting and really can't answer this

The standard material required for the manufacturing of a unit of product B is 10kg and the standard price per kg materials is $6. The cost accountants record reviews that 32000kg of material worth $104000 were used for producing 6000 units of product B. Required to calculate a. Material Cost Variable (MCV) b. Material Price Variable (MPV) c. Material usage variable (MUV) d. Prove that the computated MPV+MUV=MCV