Purchasing Higher Quality Material Than Normally Purchased Would Likely Cause

Purchasing higher quality material than normally purchased would likely cause

A) a favorable material price variance and a favorable material usage variance.
B) an unfavorable material price variance and a favorable overhead variance.
C) an unfavorable material price variance and an unfavorable labor rate variance.
D) an unfavorable material price variance and a favorable labor efficiency variance.
E) a favorable labor rate variance and a favorable labor efficiency variance.