Sawyer Industries Inc. (SII), developed standard costs for direct material and direct labour. In 2013, SII estimated the following standard costs for one of their major products, the 30-litre heavy-duty plastic container. Direct materials Quantity \\( =0.20 \\) kilograms, Price \\( =\\$ 25 \\) per kilogram. Direct labour Quantity \\( =0.10 \\) hours, Price \\( =\\$ 15 \\) per hour. During July, SII produced and sold 10,000 containers using 2,200 kilograms of direct materials at an average actual cost per kilogram of \\( \\$ 24 \\) and 1,050 direct manufacturing labour hours at an average actual wage of \\( \\$ 14.75 \\) per hour. July's direct material efficiency variance is? Select one: a. \\( \\$ 4,800 \\) unfavourable. b. \\( \\$ 4,800 \\) favourable. c. \\( \\$ 2,200 \\) favourable. d. \\( \\$ 5,000 \\) unfavourable. e. \\( \\$ 5,000 \\) favourable