A company uses a process cost accounting system. Its assembly department's beginning inventory consisted of 50,000 Units, 3/4 complete with respect to direct labor and overhead. The department started and finished 127,500 unit this period. The ending inventory consists of 40,000 units that are 1/4 complete with respect to direct labor and overhead. All materials were added at the beginning of the process. The department incurred direct labor costs of $24,000 and overhead costs of $32,000 for the period. Assuming FIFO, the direct labor cost per equivalent unit is:

a. $0.371

b. $0.295

c. $0.178

d. $0.160

e. $0.126