A manufacturer planned to produce 5,000 units of its single product, troll dolls, during November. The standard specification of materials, plastic, for one unit includes ten pounds of materials at $0.50 per pound. Actual production of troll dolls in November was 5,200 units. The accountant computed an unfavorable materials price variance of $580 and a favorable materials efficiency, or quantity, variance of $320 Based on these variances, one could conclude that: More materials were purchased that were used. More materials were used than were purchased. The actual usage of materials was less than the standard allowed. The actual cost of materials was more than the standard cost