The following materials standards have been established for a particular product:

Standard quantity per unit of output6.8 metres

Standard price$17.10 per metre

The following data pertain to operations concerning the product for the last month:

Actual materials purchased9,000 metres

Actual cost of materials purchased$156,600

Actual materials used in production8,500 metres

Actual output1,200 units

What was the materials quantity variance for the month?

$5,814 unfavourable.

$5,916 unfavourable.

$8,550 unfavourable.

$8,700 unfavourable.