Damiano Corporate completes Job #$987$ at a total cost of $$6,975.$ The company uses a mark$-$up percentage of $40$ percent. What is the closest selling price per unit if $1,400$ units were manufactured in this job?

Multiple Choice

$$1\mathrm{.}99$

$$4\mathrm{.}98$

$$6\mathrm{.}98$

None of these