Head Stone produces granite grave stones. These monuments are etched with the name of the deceased and other information. Each monument typically requires $300$ pounds of granite. The standard cost for granite is estimated at $$150$ per ton $(2,000$ pounds$).$ During a recent month, $200$ monuments were constructed. The company purchased and used $25$ tons of material at a cost of $$175$ per ton.

Compute the total variance for materials, and determine how much is related to price and how much is related to quantity.