Kubin Company$$s relevant range of production is $18,000$ to $22,000$ units. When it produces and sells $20,000$ units, its average costs per unit are as follows:

Average Cost per Unit

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

Direct labor $ $4\mathrm{.}00$

Variable manufacturing overhead $ $1\mathrm{.}50$

Fixed manufacturing overhead $ $5\mathrm{.}00$

Fixed selling expense $ $3\mathrm{.}50$

Fixed administrative expense $ $2\mathrm{.}50$

Sales commissions $ $1\mathrm{.}00$

Variable administrative expense $ $0\mathrm{.}50$

Required:

If $18,000$ units are produced and sold, what is the variable cost per unit produced and sold?

If $22,000$ units are produced and sold, what is the variable cost per unit produced and sold?

If $18,000$ units are produced and sold, what is the total variable cost related to the units produced and sold?

If $22,000$ units are produced and sold, what is the total variable cost related to the units produced and sold?

If $18,000$ units are produced, what is the average fixed manufacturing cost per unit produced?

If $22,000$ units are produced, what is the average fixed manufacturing cost per unit produced?

If $18,000$ units are produced, what is the total fixed manufacturing overhead incurred to support this level of production?

If $22,000$ units are produced, what is the total fixed manufacturing overhead incurred to support this level of production?

Note: Round per unit values to $2$ decimal places.