Fiero Corporation adds all materials at the beginning of production and incurs conversion cost evenly throughout manufacturing. The company completed 70,000 units during the year and had 12,000 units in process at year end, 20% complete with respect to conversion cost. Equivalent units for the year total:

a) materials, 70,000; conversion, 70,000.

b) materials, 70,000; conversion, 2,400.

c) materials, 72,400; conversion, 72,400.

d) materials, 82,000; conversion, 72,400.

e) materials, 82,000; conversion, 82,000.