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

Standard quantity per unit of output	8.3 grams
Standard price	$19.15 per gram

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

Actual materials purchased	7,500 grams
Actual cost of materials purchased	$141,375
Actual materials used in production	7,100 grams
Actual output	700 units

a) What were the materials variances for the month? Clearly indicate whether they were Favourable(F), or Unfavourable (U)