Crescent Lighting Inc. produces and sells lighting fixtures. An entry light has a total cost of $60 per unit, of which $31 is product cost and $29 is selling and administrative expenses. In addition, the total cost of $60 is made up of $35 variable cost and $25 fixed cost. The desired profit is $6 per unit.

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