Kubin Company$$s relevant range of production is $20,000$ to $23,000$ units. When it produces and sells $21,500$ units, its average costs per unit are as follows:

Average Cost per Unit

Direct materials $ $8\mathrm{.}00$

Direct labor $ $5\mathrm{.}00$

Variable manufacturing overhead $ $2\mathrm{.}50$

Fixed manufacturing overhead $ $6\mathrm{.}00$

Fixed selling expense $ $4\mathrm{.}50$

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

Sales commissions $ $2\mathrm{.}00$

Variable administrative expense $ $1\mathrm{.}50$

Required:

$1.$ For financial accounting purposes, what is the total amount of product costs incurred to make $21,500$ units?

$2.$ For financial accounting purposes, what is the total amount of period costs incurred to sell $21,500$ units?

$3.$ For financial accounting purposes, what is the total amount of product costs incurred to make $23,000$ units?

$4.$ For financial accounting purposes, what is the total amount of period costs incurred to sell $20,000$ units?

$($For all requirements, do not round intermediate calculations.$)$

$1.$ Total amount of product cost : $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$2.$ Total amount of period cost incurred : $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$3.$ Total amount of product cost : $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

$4.$ Total amount of period cost : $\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_$

Please help with $1-4$

Thank you