Division P sells a product internally to Division $T,$ which is used to manufacture a final product that sells for $$10$ each. Division $P$ has costs to produce its product of $$2\mathrm{.}50.$ Division $T$ has costs, in addition to the product it buys from Division $P,$ of $$4\mathrm{.}50$ per unit. If the transfer price used is $$3\mathrm{.}00$ per unit, what will be Division T$\text{'}$s operating income per unit?

$$5\mathrm{.}50.$

$$0\mathrm{.}50.$

$$2\mathrm{.}50.$

$$3\mathrm{.}00.$