BwA Woodturning is a small company that operates in Northern Ontario. The company produces and sells a single product Gemwood Ice-cream Scoop. The product is made of thin strips of Baltic Birch that are dyed and glued together. The standard costs card for the product follows: Standard Costs Per Unit Direct materials 0.15 square meters at $85 per square meter Direct labour 0.85 direct labour hours at $32 per hour Variable overhead 0.85 direct labour hours at $2.50 per hour Fixed overhead 0.85 direct labour hours at $6.30 per hour The following additional information is available for the fiscal 2020 just completed: BwA Woodturning manufactured 23,875 Gemwood Ice-cream scoops during the year. A total of 3,490 square meters of material was purchased during the year at a cost of $83.50 per square meter. All of this material was used to manufacture the 23,875 ice-cream scoops. There were no beginning or ending inventories for the year. The company worked 20,090 direct labour-hours during the year at a cost of $34.30 per hour. The actual variable overhead for fiscal 2020 was $55,808 and the actual fixed overhead was $127,850. Instructions (a) Compute the direct labour rate and efficiency variances. (4 marks) (b) Compute the direct materials price and quantity variances. (4 marks) (c) Prepare a brief explanation of the possible causes of the above material price and quantity variances. (2 marks)