The standard materials cost to produce one unit of Product K is 7 pounds of material at a standard price of $32 per pound. In manufacturing 8,000 units, 54,000 pounds of material were used at a cost of $30 per pound. What is the total direct material cost variance?
a) $64,000 favorable.
b) $172,000 favorable.
c) $104,000 favorable.
d) $108,000 favorable.
e) $44,000 favorable.