Sanford Lid produces a product with the following standard cost Direct materials (21 km $5061 The fixed overhead rate based on a standard monthly volume of 16493 units The actual results for the month of July 2015 are as follows Direct materials purchased and used (23133 5620,000 kg Units produced and sold 15193 units What is Sanford's direct materials usage variance for taly 2015 (note: a negative number represents an unfavourate variance and a positive number represents a favourable variance? Select one O $834711 b. 59833 Oc$-55960 Od 5.9833 Check