8-28 Activity-Level Variances Materials-support costs for the Pittsburgh Steel Company (PSC) are variable costs that depend on the weight of material (plate steel, castings, etc.) moved. For the current budget period and based on scheduled production, PSC expected to move 750,000 pounds of material at a cost of $.25 per pound. Several orders were canceled by customers, and PSC moved only 650,000 pounds of material. Total materials support costs for the period were $177,000. Compare actual support costs to the static-budget support costs by computing static budget, activity-level, and flexible-budget variances for materials-support costs