When all direct material units purchased in a period are not used in production for that period, both direct material price and direct material quantity variances may be calculated for the period. Select one: O a. false, unless the DM were purchased on a Friday in November with cash b. i have no idea! O c. false e d. true Tower Company planned to produce 3,000 units of its single product, Titactium, during November. The standards for one unit of Titactium specify six grams of materials at $0.30 per gram. Actual production in November was 3,100 units of Titactium. There was a favourable materials price variance of $380 and an unfavourable materials quantity variance of $120. Based on these variances, one could conclude that: Select one: a. more materials were purchased than were used. b. the actual usage of materials was less than the standard allowed. c. the actual cost per gram for materials was less than the standard cost per gram. O d. more materials were used than were purchased