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? $\quad$$\quad$$\begin{array}{llcc}\underline{ \text { Materials Price Variance}} & \underline{\text { Materials Quantity Variance } }\end{array}$

a. $\quad$$\quad$$\quad$$\quad$$\quad$$\begin{array}{llcc} \text { No } & \quad\quad\quad\quad\quad\quad\quad\quad\quad\quad \text { No } \end{array}$

b. $\quad$$\quad$$\quad$$\quad$$\quad$$\begin{array}{llcc} \text { No } & \quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Yes } \end{array}$

c. $\quad$$\quad$$\quad$$\quad$$\begin{array}{llcc} \text { Yes } & \quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { No } \end{array}$

d. $\quad$$\quad$$\quad$$\quad$$\begin{array}{llcc} \text { Yes } & \quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\text { Yes } \end{array}$