Question 1 (12 Marks) In 2018, Robb Industries Inc. (RI), developed the following standard costs for direct labour. for one of their major products, plastic container 30 Direct materials Direct labour 10 kilograms 05 hours 15 per hour During June 2019, RIl produced and sold 5,000 containers using 490 kilograms of direct 15.25 average actual cost per kilogram of $32 and 250 direct labour-hours at an average actual wage offs per hour Requirement (a) What is June's direct material price variance? Solution: Requirement (b) What is June's direct material quantity varian Solution: Requirement (c) What is June's direct labour rate variance? Solution: Requirement (d) What is June's direct labour efficiency variance? Solution