The Standard Unit Cost Is Used in the Calculation of Which

The standard unit cost is used in the calculation of which of the following variances? $\begin{array}{l}\text { Materials Price Variance } & \text { Materials Quantity Variance } \\\end{array}$
A) $\begin{array}{l}&&&&\text { No } & &&&&&&&&&\text { No } \\\end{array}$
B) $\begin{array}{l}&&&&\text { No } &&&&&&&&&& \text { Yes } \\\end{array}$
C) $\begin{array}{l}&&&&\text { Yes } &&&&&&&&&& \text { No } \\\end{array}$
D) $\begin{array}{l}&&&&\text { Yes } &&&&&&&&&& \text { Yes }\end{array}$