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

Standard quantity per unit of output5.8poundsStandard price$14.60per pound

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

Actual materials purchased6,900poundsActual cost of materials purchased$64,280Actual materials used in production6,400poundsActual output840units

The direct materials purchases variance is computed when the materials are purchased.

What is the materials quantity variance for the month?