Product cost markup percentage

Green Thumb Garden Tools Inc. produces and sells home and garden tools and equipment. A lawnmower has a total cost of $$230$ per unit, of which $$160$ is product cost and $$70$ is selling and administrative expenses. In addition, the total cost of $$230$ is made up of $$120$ variable cost and $$110$ fixed cost. The desired profit is $$58$ per unit.

Determine the markup percentage on product cost.

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