Martinez Company$$s relevant range of production is $15,000$ units to $25,000$ units. When it produces and sells $20,000$ units, its unit costs are as follows:

Amount

Per Unit

Direct materials $ $6\mathrm{.}32$

Direct labour $ $3\mathrm{.}82$

Variable manufacturing overhead $ $1\mathrm{.}82$

Fixed manufacturing overhead $ $5\mathrm{.}32$

Fixed selling expense $ $4\mathrm{.}32$

Fixed administrative expense $ $3\mathrm{.}32$

Sales commissions $ $1\mathrm{.}82$

Variable administrative expense $ $0\mathrm{.}91$

Required:

If $16,000$ units are sold, what is the variable cost per unit sold? $($Round your answer to $2$ decimal places.$)$