The following information is provided about three materials utilized in the production of a product: Material Y Z Yield Standard Mix Standard Unit Price Standard Cost 1,250 units $3.00 per unit $3,750 750 units 5.00 per unit $3,750 500 units 4.00 per unit $2,000 2,250 units During May, the following actual production information was provided: Material Actual Mix X Y Z Yield 10,000 units 5,000 units 2,500 units 15,000 units Calculate the Material mix variance. Oa. $1,250(F) Ob. $1,250(U) Oc. $1,500(F) Od. $1,500(U)