Cocomelon water produced 19 litres, a standard input mix of 8 litres of milk A and 12 litres of milk B is required. Milk A has a standard cost of RM20 per litre and milk B has a standard cost of RM25 per litre. During November, the actual results showed that 1,850 litres of cocomelon water were produced, using a total input of 900 litres of milk A and 1,100 litres of milk B. The actual costs of milk A and B were at the standard cost of RM20 and RM25 per litre respectively. Based on the above information, which of the following statements is true? A. Both variances were adverse B. Both variances were favourable C. The total mix variance was adverse and the total yield variance was favourable D. The total mix variance was favourable and the total yield variance was adverse