Multiple choice question

S sharma (30 Points)

30 May 2020  
An unfavorable price variance for direct material indicate?
a) That the purchasing manager purchased too much inventory.
b)That the supply in the market exceeded the demand of the material.
c)That the purchasing manager was unable to negotiate better prices during the period.
d) That production scheduling problems were a problem.

my answer is (a) is correct or not.