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:

Required:

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

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

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

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.$)$