Jamison Company uses the total cost method of applying the cost$-$plus approach to product pricing. Jamison produces and sells Product $x$ at a total cost of $$1,200$ per unit, of which $$820$ is product cost and $$380$ is selling and administrative expenses. In addition, the total cost of $$1,200$ is made up of $$680$ variable cost and $$520$ fixed cost. The desired profit is $$132$ per unit.

Determine the markup percentage on total cost.