Julius Corporation's mixing department began January 2018 with 10,000 gallons of product (40 percent completed) in process. During January, Julius started 100,000 gallons of new product, of which 15,000 gallons remained in ending inventory (70 percent completed). If materials were added when the units are 50 percent complete, how many equivalent units of production for materials would there be for Julius Corporation using the FIFO costing method?

a.105,500 units

b.85,000 units

c.101,500 units

d.110,000 units