Crescent Lighting Inc. produces and sells lighting fixtures. An entry light has a total cost of $66 per unit, of which $33 is product cost and $33 is selling and administrative expenses. In addition, the total cost of $66 is made up of $45 variable cost and $21 fixed cost. The desired profit is $12 per unit.

Determine the markup percentage on product cost. Round the answer to nearest whole number.