Required:

Note: Do not round intermediate calculations.Required information

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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:

$2)2.$ For financial accounting purposes, what is the total period cost incurred to sell $10,000$ units?

$3)3.$ If $8,000$ units are produced and sold, what is the variable cost per unit produced and sold?

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