Martinez Company$$s relevant range of production is $7,500$ units to $12,500$ units. When it produces and sells $10,000$ units, its average costs per unit are as follows:

Average Cost Per Unit

Direct materials $ $7\mathrm{.}00$

Direct labor $ $4\mathrm{.}50$

Variable manufacturing overhead $ $1\mathrm{.}40$

Fixed manufacturing overhead $ $4\mathrm{.}00$

Fixed selling expense $ $4\mathrm{.}00$

Fixed administrative expense $ $2\mathrm{.}10$

Sales commissions $ $1\mathrm{.}10$

Variable administrative expense $ $0\mathrm{.}55$

$4.$ If $12,500$ units are produced and sold, what is the variable cost per unit produced and sold?

Note: Round your answer to $2$ decimal places