During the most recent month, the following activity was recorded: 20,000 millitres of material was purchased at a cost of $0.20 per millilitre. All of the material was used to produced 3,000 bottles of Clean-All. 625 hours of direct labour time was recorded at a total labour cost of $7,500 Compute the direct materials price and quantity variances for the month. Compute the direct labour rate and effeciency variances for the month