Fegox Firinghi (FF) produces flip flops. Each flip-flop requires 2 lbs of Flub and 1 lb of Fleeb, which are planned to cost $8 and $3 per lb. respectively. During the month of May, FF purchased 22,000 lbs of Flub for $194,000 and 13,000 lbs of Fleeb for $42,000. All materials were consumed in producing 10,500 good flip flops.

Which is true?

(a)The direct material quantity variances total $21,000 fav

(b)FF was very efficient in using raw materials to produce their output

(c)Direct material quantity variances total $15,500 fav

(d)Direct materials quantity variances total $15,500 unfav

(e)All of the above are false