Luma Incorporated has provided the following data concerning one of the products in its standard cost system.

Inputs Standard Quantity or Hours per Unit of Output Standard Price or Rate

Direct materials $4\mathrm{.}8$ ounces $$6\mathrm{.}90$ per ounce

The company has reported the following actual results for the product for September:

Actual output $2,100$ units

Raw materials purchased $10,500$ ounces

Actual price of raw materials $$7\mathrm{.}80$ per ounce

Actual cost of raw materials purchased $$81,900$

Raw materials used in production $10,090$ ounces

The raw materials quantity variance for the month is closest to:

Multiple Choice

$$69$ F

$$78$ F

$$69$ U

$$78$ U