Question 23 (1 point) Copperhead Ines standard costing and has established the following standards for the product matured at Cambridge plant Derece Materiale Direct Labour Variable Manufacturing Overhead 2 litres at $3.15 per litre 0.5 hours at $18 per hour 0.5 hours at $2 per hour During July, the company made 4,000 units and incurred the following costs: Direct Materials Purchased Direct Materials Used Direct Labour Used 8,100 litres at $3.24 per litre 7.600 litres 2,200 hours at $88.25 per hour a. What was the materials price variance for July? Ensure you indicate whether the variance is favourable or unfavourable. b. What was the materials quantity variance for July? Ensure you indicate whether the variance is favourable or unfavourable. c. What was the labour rate variance for July? Ensure you indicate whether the variance is favourable or unfavourable. d. What was the labour efficiency variance for July? Ensure you indicate whether the variance is favourable or unfavourable. e. Copperhead produces a different product at its plant in Guelph. For the past three months, the Guelph plant has reported an unfavourable labour rate variance combined with a favourable labour efficiency variance. What circumstances could lead to this situation