Barb Bubbletop (BB) produces bangles. Each bangle requires .25 lbs of bronze which should cost $16 per lb. In August, BB purchased 12,000 lbs of bronze at $15 per lb. In the month, 41,000 bangles were made, and 11,000 lbs of bronze were used. Which is false of BB's materials variances?

(a)The company should have spent $164,000 on materials

(b)Bronze inventory increased by $15,000

(c)Material quantity variance is $18,000 unfav

(d)Materials price variance is $12,000 unfav

(e)All of the above are false