Crane Company purchased (at a cost of $15,840) and used 3,200 pounds of materials during May. Cranes standard cost of materials per unit produced is based on 1 pounds per unit at a cost $5.00 per pound. Production in May was 3,110 units. Compute the following

a. Total Material Variance (Favorable or Unfavorable)

b. Materials Price Variance (Favorable or Unfavorable)

c. Materials Quantity Variance (Favorable or Unfavorable)