Fegox Firinghi (FF)produces Flip Flops

Multiple Choice

Fegox Firinghi (FF) produces flip flops.Each flip-flop requires 2 pounds of Flub and 1 pound of Fleeb,which are planned to cost $8 and $3 per pound respectively.During the month of May,FF purchased 22,000 pounds of Flub for $179,900 and 13,000 pounds of Fleeb for $42,000.All materials were consumed in producing 10,500 good flip flops. Which is true?

A) The direct materials quantity variances total $21,000 favorable
B) FF was very efficient in using raw materials to produce their output
C) Direct materials quantity variances total $15,500 favorable
D) Direct materials quantity variances total $15,500 unfavorable
E) All of the above are false