< PE 25-7A Product cost markup percentage Obj. 2 Example Exercise 25-7 Light Force Inc. produces and sells lighting fixtures. An entry light has a total cost of $180 per unit, of which $100 is product cost and $80 is selling and administrative -> Show Me How expenses. In addition, the total cost of $180 is made up of $110 variable cost and $70 fixed cost. The desired profit is $45 per unit. Determine the markup percentage on product cost.