TCO B) A tile manufacturer has supplied the following data:Boxes of tile produced and sold 625000Sales revenue $2975000Variable manufacturing expense $1720000Fixed manufacturing expense $790000Variable selling and admin expense $152000Fixed selling and admin expense $133000Net operating income $180000Required:a. Calculate the companys unit contribution margin.b. Calculate the companys contribution margin ratio.c. If the company increases its unit sales volume by 5% without increasing its fixed expenses what would the companys net operating income be?

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