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Required information

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Trio Company reports the following information for its first year of operations.

$\backslash$table$[[$Direct materials,$$19$ per unit$],[$Direct labor,$$23$ per unit$],[$Variable overhead,$$3$ per unit$],[$Fixed overhead,$$225,500$ per year$],[$Units produced,$22,550$ units$],[$Units sold,$17,000$ units$],[$Ending finished goods inventory,$5,550$ units$]]$

Assume instead that Trio Company uses variable costing.

Compute the product cost per unit using variable costing.

Determine the cost of ending finished goods inventory using variable costing.

Determine the cost of goods sold using variable costing.