Bramble Corporation manufactures a single product. The standard cost per unit of product is shown below.

$\backslash$table$[[$Direct materials $-1$ pound plastic at $$6\mathrm{.}00$ per pound,$$6\mathrm{.}00$

The purchasing department buys the quantities of raw materials that are expected to be used in production each month. Raw materials inventories, therefore, can be ignored.

$($a$)$

Compute all of the materials and labor variances.

Total materials variance

$ $$

$$

Materials price variance

$ $$

$$

Materials quantity variance

$ $$

$$

Total labor variance

$ $$

$$

Labor price variance

$ $$

$$

Labor quantity variance

$ $$

$($b$)q,$

Compute the total overhead variance.