Starfish Enterprises produces men$$s sports coats that are sold by popular department stores. Each retail order is treated as a job that accumulates materials, labor, and overhead costs for a batch of sports coats. Management has obtained data on the labor costs for four selected jobs over a six$-$month period. Each selected job represents a similar style and size of sports coat. The data are as follows:

Job

Count Direct Labor

Hour Direct Labor

Rate per Hour Total Direct

Labor Cost

Job $107104\mathrm{.}5014\mathrm{.}0063\mathrm{.}00$

Job $125147\mathrm{.}0014\mathrm{.}0098\mathrm{.}00$

Job $160168\mathrm{.}8014\mathrm{.}00123\mathrm{.}20$

Job $19083\mathrm{.}2014\mathrm{.}0051\mathrm{.}20$

The direct labor hour per unit for Job $190$ is $\_\_\_\_\_\_\_\_$ hours.

a$.0\mathrm{.}45$

b$.0\mathrm{.}50$

c$.0\mathrm{.}55$

d$.0\mathrm{.}40$