In its first month of operations, multiplex corporation purchased 40,000 pounds of material for $3.40 per pound. the company used 38,000 pounds of the material to produce 18,000 units of its only product. multiplex uses a standard cost system and its standard quantity and price per unit are 2 pounds at $3.50 per pound. what was the material price variance for the month? a. $4,000 favorableb. none of these. c. $4,000 unfavorabled. $2,000 unfavorablee. $2,000 favorable