Bullfrong inc has the following standard material and labor quantities and costs for one unit of product A: material: 2 pounds @ dollar 4.50 per pound labor: 3 hours @ 15 per hour during August, the purchasing agent was able to purchase the raw material needed for product A and bought and used astir 125,000 pounds of materials at dollar 4.00 per pound, in august, the company produced 100,000 units with the following actual material and labor usages: calculate the following variances (show work); material purchase price variance material quantity variance direct labor rate variance direct labor efficiency variance look t the answers for the 4 variances above. Describe what these variances tell us about what may have happened