Tones Company uses a job$-$order costing system with a predetermined overhead rate of $120\%$ of direct labor cost. The job cost sheet for Job #$420$ listed $$4,000$ in direct materials cost and $$5,000$ in direct labor cost to manufacture $7,500$ units. The unit cost of Job #$420$ is:$$1\mathrm{.}20.$ $$1\mathrm{.}33.$ $$2\mathrm{.}00.$