The following statements have been made about the materials mix variance for a company manufacturing different products using the same type of material (measured in kgs): (i) The mix variance can be calculated by taking the difference between the actual quantity in the standard mix and the actual quantity in the actual mix, then multiplying it by the actual cost per kg (ii) The mix variance arises because there is a difference between what the input should have been for the output achieved and the actual output Which of the above statements is/are correct?