The Adept Co. is analyzing a proposed project. The company expects to sell 2,500 units, give or take 10 percent. The expected variable cost per unit is $8 and the expected fixed costs are $12,500. Cost estimates are considered accurate within a plus or minus 5 percent range. The depreciation expense is $4,000. The sale price is estimated at $16 a unit, give or take 2 percent. What is the amount of the fixed cost per unit under the optimistic case scenario?